10,491 results on '"Griffiths J"'
Search Results
2. Statistical study and parallelisation of multiplexed single-electron sources
- Author
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Norimoto, S., See, P., Schoinas, N., Rungger, I., Boykin II, T. O., Stewart Jr, M. D., Griffiths, J. P., Chen, C., Ritchie, D. A., and Kataoka, M.
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Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Increasing electric current from a single-electron source is a main challenge in an effort to establish the standard of the ampere defined by the fixed value of the elementary charge $e$ and operation frequency $f$. While the current scales with $f$, due to an operation frequency limit for maintaining accurate single-electron transfer, parallelisation of singleelectron sources is expected to be a more practical solution to increase the generated electric current $I = Nef$, where $N$ is a number of parallelised devices. One way to parallelise single-electron sources without increasing the complexity in device operation is to use a common gate. Such a scheme will require each device to have the same operation parameters for single-electron transfer. In order to investigate this possibility, we study the statistics for operation gate voltages using single-electron sources embedded in a multiplexer circuit. The multiplexer circuit allows us to measure 64 single-electron sources individually in a single cooldown. We also demonstrate the parallelisation of three single-electron sources and observe the generated current enhanced by a factor of three., Comment: 5 pages, 3 figures
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- 2024
3. Photon emission by hot electron injection across a lateral \textit{pn} junction
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Norimoto, S., Saxena, R., See, P., Nasir, A., Griffiths, J. P., Chen, C., Ritchie, D. A., and Kataoka, M.
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Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We demonstrate a method to generate photons by injecting hot electrons into a {\it pn} junction within a \ce{GaAs/AlGaAs} heterostructure. Hot electrons are generated by biasing across a mesoscopic potential in {\it n}-type region and travel toward {\it p}-type region through quantum Hall edge channel in the presence of magnetic field perpendicular to the substrate. The {\it p}-type region is created several microns away from the hot electron emitter by inducing interfacial charges using a surface gate. The energy relaxation of the hot electrons is suppressed by separating the orbitals before and after longitudinal-optical (LO) phonon emission. This technique enables the hot electrons to reach the {\it p}-type region and to recombine with induced holes followed by photon emissions. Hot electron-induced hole recombination is confirmed by a peak around \qty{810}{nm} in an optical spectrum that corresponds to excitonic recombination in a \ce{GaAs} quantum well. An asymmetric structure observed in the optical spectrum as a function of the magnetic field originates from the chiral transport of the hot electrons in the Hall edge channel. We propose the combination of our technology and on-demand single-electron source would enable the development of an on-demand single photon source that is an essential building block to drive an optical quantum circuit and to transfer quantum information for a long distance., Comment: 8 pages, 4 figures
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- 2024
4. Fast characterization of multiplexed single-electron pumps with machine learning
- Author
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Schoinas, N., Rath, Y., Norimoto, S., Xie, W., See, P., Griffiths, J. P., Chen, C., Ritchie, D. A., Kataoka, M., Rossi, A., and Rungger, I.
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Condensed Matter - Mesoscale and Nanoscale Physics ,Quantum Physics - Abstract
We present an efficient machine learning based automated framework for the fast tuning of single-electron pump devices into current quantization regimes. It uses a sparse measurement approach based on an iterative active learning algorithm to take targeted measurements in the gate voltage parameter space. When compared to conventional parameter scans, our automated framework allows us to decrease the number of measurement points by about an order of magnitude. This corresponds to an eight-fold decrease in the time required to determine quantization errors, which are estimated via an exponential extrapolation of the first current plateau embedded into the algorithm. We show the robustness of the framework by characterizing 28 individual devices arranged in a GaAs/AlGaAs multiplexer array, which we use to identify a subset of devices suitable for parallel operation at communal gate voltages. The method opens up the possibility to efficiently scale the characterization of such multiplexed devices to a large number of pumps., Comment: 6 pages, 3 figures
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- 2024
- Full Text
- View/download PDF
5. Willingness to vaccinate children against COVID-19 declined during the pandemic.
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Goldman, R, Hart, R, Bone, J, Seiler, M, Olson, P, Keitel, K, Manzano, S, Gualco, G, Krupik, D, Schroter, S, Weigert, R, Chung, S, Thompson, G, Muhammad, N, Shah, P, Gaucher, N, Hou, M, Griffiths, J, Lunoe, M, Evers, M, Pharisa Rochat, C, Nelson, C, Gal, M, and Baumer-Mouradian, S
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COVID-19 ,Emergency medicine ,Sars-cov-2 ,Vaccination ,Vaccine hesitancy ,Adult ,Humans ,Child ,Adolescent ,COVID-19 ,COVID-19 Vaccines ,Pandemics ,Cross-Sectional Studies ,Vaccination ,Parents - Abstract
OBJECTIVES: To document the level of vaccine hesitancy in caregivers of children younger than 12 years of age over the course of the pandemic in Pediatric Emergency Departments (ED). Study design Ongoing multicenter, cross-sectional survey of caregivers presenting to 19 pediatric EDs in the USA, Canada, Israel, and Switzerland during first months of the pandemic (phase1), when vaccines were approved for adults (phase2) and most recently when vaccines were approved for children (phase3). RESULTS: Willingness to vaccinate rate declined over the study period (59.7%, 56.1% and 52.1% in the three phases). Caregivers who are fully vaccinated, who have higher education, and those worried their child had COVID-19 upon arrival to the ED, were more likely to plan to vaccinate in all three phases. Mothers were less likely to vaccinate early in the pandemic, but this hesitancy attenuated in later phases. Older caregivers were more willing to vaccinate, and caregivers of older children were less likely to vaccinate their children in phase 3. During the last phase, willingness to vaccinate was lowest in those who had a primary care provider but did not rely on their advice for medical decisions (34%). Those with no primary care provider and those who do and rely on their medical advice, had similar rates of willingness to vaccinate (55.1% and 52.1%, respectively). CONCLUSIONS: COVID-19 vaccine hesitancy is widespread and growing over time, and public health measures should further try to leverage identified factors associated with hesitancy in order to enhance vaccination rates among children.
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- 2023
6. Time-resolved Coulomb collision of single electrons
- Author
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Fletcher, J. D., Park, W., Ryu, S., See, P., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Sim, H. -S., and Kataoka, M.
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Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Precise control over interactions between ballistic electrons will enable us to exploit Coulomb interactions in novel ways, to develop high-speed sensing, to reach a non-linear regime in electron quantum optics and to realise schemes for fundamental two-qubit operations on flying electrons. Time-resolved collisions between electrons have been used to probe the indistinguishability, Wigner function and decoherence of single electron wavepackets. Due to the effects of screening, none of these experiments were performed in a regime where Coulomb interactions were particularly strong. Here we explore the Coulomb collision of two high energy electrons in counter-propagating ballistic edge states. We show that, in this kind of unscreened device, the partitioning probabilities at different electron arrival times and barrier height are shaped by Coulomb repulsion between the electrons. This prevents the wavepacket overlap required for the manifestation of fermionic exchange statistics but suggests a new class of devices for studying and manipulating interactions of ballistic single electrons.
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- 2022
7. High temperature electrical resistivity measurements of sintered samarium Cobalt magnets
- Author
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Brooks, O.P., Spapens, R., Griffiths, J., Taylor, G., Kozak, V., Subramanian, G., Gao, Z., Chiu, Y., Lambourne, A., and Sheridan, R.S.
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- 2024
- Full Text
- View/download PDF
8. Decoupling of the many-body effects from the electron mass in GaAs by means of reduced dimensionality
- Author
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Vianez, P. M. T., Jin, Y., Tan, W. K., Liu, Q., Griffiths, J. P., Farrer, I., Ritchie, D. A., Tsyplyatyev, O., and Ford, C. J. B.
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Condensed Matter - Mesoscale and Nanoscale Physics ,Condensed Matter - Strongly Correlated Electrons - Abstract
Determining the (bare) electron mass $m_0$ in crystals is often hindered by many-body effects since Fermi-liquid physics renormalises the band mass, making the observed effective mass $m^*$ depend on density. Here, we use a one-dimensional (1D) geometry to amplify the effect of interactions, forcing the electrons to form a nonlinear Luttinger liquid with separate holon and spinon bands, therefore separating the interaction effects from $m_0$. Measuring the spectral function of gated quantum wires formed in GaAs by means of magnetotunnelling spectroscopy and interpreting them using the 1D Fermi-Hubbard model, we obtain $m_0=(0.0525\pm0.0015)m_\textrm{e}$ in this material, where $m_\textrm{e}$ is the free-electron mass. By varying the density in the wires, we change the interaction parameter $r_\textrm{s}$ in the range from $\sim$1-4 and show that $m_0$ remains constant. The determined value of $m_0$ is $\sim 22$% lighter than observed in GaAs in geometries of higher dimensionality $D$ ($D>1$), consistent with the quasi-particle picture of a Fermi liquid that makes electrons heavier in the presence of interactions., Comment: 13 pages, 9 figures
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- 2021
- Full Text
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9. Erratum to: Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector
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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., AbouZeid, O. S., Abraham, N. L., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y., Agatonovic-Jovin, T., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahlen, S. P., Ahmadov, F., Aielli, G., Akatsuka, S., Akerstedt, H., Åkesson, T. P. A., Akilli, E., Akimov, A. V., Alberghi, G. L., Albert, J., Albicocco, P., Alconada Verzini, M. J., Alderweireldt, S. C., Aleksa, M., Aleksandrov, I. N., Alexa, C., Alexander, G., Alexopoulos, T., Alhroob, M., Ali, B., Aliev, M., Alimonti, G., Alison, J., Alkire, S. P., Allbrooke, B. M. M., Allen, B. W., Allport, P. P., Aloisio, A., Alonso, A., Alonso, F., Alpigiani, C., Alshehri, A. A., Alstaty, M. I., Alvarez Gonzalez, B., Álvarez Piqueras, D., Alviggi, M. G., Amadio, B. T., Amaral Coutinho, Y., Amelung, C., Amidei, D., Amor Dos Santos, S. P., Amoroso, S., Amundsen, G., Anastopoulos, C., Ancu, L. S., Andari, N., Andeen, T., Anders, C. F., Anders, J. K., Anderson, K. J., Andreazza, A., Andrei, V., Angelidakis, S., Angelozzi, I., Angerami, A., Anisenkov, A. V., Anjos, N., Annovi, A., Antel, C., Antonelli, M., Antonov, A., Antrim, D. J., Anulli, F., Aoki, M., Aperio Bella, L., Arabidze, G., Arai, Y., Araque, J. P., Araujo Ferraz, V., Arce, A. T. H., Ardell, R. E., Arduh, F. A., Arguin, J-F., Argyropoulos, S., Arik, M., Armbruster, A. J., Armitage, L. J., Arnaez, O., Arnold, H., Arratia, M., Arslan, O., Artamonov, A., Artoni, G., Artz, S., Asai, S., Asbah, N., Ashkenazi, A., Asquith, L., Assamagan, K., Astalos, R., Atkinson, M., Atlay, N. B., Augsten, K., Avolio, G., Axen, B., Ayoub, M. K., Azuelos, G., Baas, A. E., Baca, M. J., Bachacou, H., Bachas, K., Backes, M., Bagnaia, P., Bahmani, M., Bahrasemani, H., Baines, J. T., Bajic, M., Baker, O. K., Bakker, P. J., Baldin, E. M., Balek, P., Balli, F., Balunas, W. K., Banas, E., Bandyopadhyay, A., Banerjee, Sw., Bannoura, A. A. E., Barak, L., Barberio, E. L., Barberis, D., Barbero, M., Barillari, T., Barisits, M.-S., Barkeloo, J. T., Barklow, T., Barlow, N., Barnes, S. L., Barnett, B. M., Barnett, R. M., Barnovska-Blenessy, Z., Baroncelli, A., Barone, G., Barr, A. J., Barranco Navarro, L., Barreiro, F., Barreiro Guimarães da Costa, J., Bartoldus, R., Barton, A. E., Bartos, P., Basalaev, A., Bassalat, A., Bates, R. L., Batista, S. J., Batley, J. R., Battaglia, M., Bauce, M., Bauer, F., Bawa, H. S., Beacham, J. B., Beattie, M. D., Beau, T., Beauchemin, P. H., Bechtle, P., Beck, H. P., Beck, H. C., Becker, K., Becker, M., Becot, C., Beddall, A. J., Beddall, A., Bednyakov, V. A., Bedognetti, M., Bee, C. P., Beermann, T. A., Begalli, M., Begel, M., Behr, J. K., Bell, A. S., Bella, G., Bellagamba, L., Bellerive, A., Bellomo, M., Belotskiy, K., Beltramello, O., Belyaev, N. L., Benary, O., Benchekroun, D., Bender, M., Benekos, N., Benhammou, Y., Benhar Noccioli, E., Benitez, J., Benjamin, D. P., Benoit, M., Bensinger, J. R., Bentvelsen, S., Beresford, L., Beretta, M., Berge, D., Bergeaas Kuutmann, E., Berger, N., Bergsten, L. J., Beringer, J., Berlendis, S., Bernard, N. R., Bernardi, G., Bernius, C., Bernlochner, F. U., Berry, T., Berta, P., Bertella, C., Bertoli, G., Bertram, I. A., Bertsche, C., Besjes, G. J., Bessidskaia Bylund, O., Bessner, M., Besson, N., Bethani, A., Bethke, S., Betti, A., Bevan, A. J., Beyer, J., Bianchi, R. M., Biebel, O., Biedermann, D., Bielski, R., Bierwagen, K., Biesuz, N. V., Biglietti, M., Billoud, T. R. V., Bilokon, H., Bindi, M., Bingul, A., Bini, C., Biondi, S., Bisanz, T., Bittrich, C., Bjergaard, D. M., Black, J. E., Black, K. M., Blair, R. E., Blazek, T., Bloch, I., Blocker, C., Blue, A., Blumenschein, U., Blunier, Dr., Bobbink, G. J., Bobrovnikov, V. S., Bocchetta, S. S., Bocci, A., Bock, C., Boehler, M., Boerner, D., Bogavac, D., Bogdanchikov, A. G., Bohm, C., Boisvert, V., Bokan, P., Bold, T., Boldyrev, A. S., Bolz, A. E., Bomben, M., Bona, M., Boonekamp, M., Borisov, A., Borissov, G., Bortfeldt, J., Bortoletto, D., Bortolotto, V., Boscherini, D., Bosman, M., Bossio Sola, J. D., Boudreau, J., Bouhova-Thacker, E. V., Boumediene, D., Bourdarios, C., Boutle, S. K., Boveia, A., Boyd, J., Boyko, I. R., Bozson, A. J., Bracinik, J., Brandt, A., Brandt, G., Brandt, O., Braren, F., Bratzler, U., Brau, B., Brau, J. E., Breaden Madden, W. D., Brendlinger, K., Brennan, A. J., Brenner, L., Brenner, R., Bressler, S., Briglin, D. L., Bristow, T. M., Britton, D., Britzger, D., Brochu, F. M., Brock, I., Brock, R., Brooijmans, G., Brooks, T., Brooks, W. K., Brosamer, J., Brost, E., Broughton, J. H., Bruckman de Renstrom, P. A., Bruncko, D., Bruni, A., Bruni, G., Bruni, L. S., Bruno, S., Brunt, B. H., Bruschi, M., Bruscino, N., Bryant, P., Bryngemark, L., Buanes, T., Buat, Q., Buchholz, P., Buckley, A. G., Budagov, I. A., Buehrer, F., Bugge, M. K., Bulekov, O., Bullock, D., Burch, T. J., Burdin, S., Burgard, C. D., Burger, A. M., Burghgrave, B., Burka, K., Burke, S., Burmeister, I., Burr, J. T. P., Büscher, D., Büscher, V., Bussey, P., Butler, J. M., Buttar, C. M., Butterworth, J. M., Butti, P., Buttinger, W., Buzatu, A., Buzykaev, A. R., Cabrera Urbán, S., Caforio, D., Cai, H., Cairo, V. M., Cakir, O., Calace, N., Calafiura, P., Calandri, A., Calderini, G., Calfayan, P., Callea, G., Caloba, L. P., Calvente Lopez, S., Calvet, D., Calvet, S., Calvet, T. P., Camacho Toro, R., Camarda, S., Camarri, P., Cameron, D., Caminal Armadans, R., Camincher, C., Campana, S., Campanelli, M., Camplani, A., Campoverde, A., Canale, V., Cano Bret, M., Cantero, J., Cao, T., Capeans Garrido, M. D. M., Caprini, I., Caprini, M., Capua, M., Carbone, R. M., Cardarelli, R., Cardillo, F., Carli, I., Carli, T., Carlino, G., Carlson, B. T., Carminati, L., Carney, R. M. D., Caron, S., Carquin, E., Carrá, S., Carrillo-Montoya, G. D., Casadei, D., Casado, M. P., Casha, A. F., Casolino, M., Casper, D. W., Castelijn, R., Castillo Gimenez, V., Castro, N. F., Catinaccio, A., Catmore, J. R., Cattai, A., Caudron, J., Cavaliere, V., Cavallaro, E., Cavalli, D., Cavalli-Sforza, M., Cavasinni, V., Celebi, E., Ceradini, F., Cerda Alberich, L., Cerqueira, A. S., Cerri, A., Cerrito, L., Cerutti, F., Cervelli, A., Cetin, S. A., Chafaq, A., Chakraborty, D., Chan, S. K., Chan, W. S., Chan, Y. L., Chang, P., Chapman, J. D., Charlton, D. G., Chau, C. C., Chavez Barajas, C. A., Che, S., Cheatham, S., Chegwidden, A., Chekanov, S., Chekulaev, S. V., Chelkov, G. A., Chelstowska, M. A., Chen, C., Chen, C., Chen, H., Chen, J., Chen, S., Chen, S., Chen, X., Chen, Y., Cheng, H. C., Cheng, H. J., Cheplakov, A., Cheremushkina, E., Cherkaoui El Moursli, R., Cheu, E., Cheung, K., Chevalier, L., Chiarella, V., Chiarelli, G., Chiodini, G., Chisholm, A. S., Chitan, A., Chiu, Y. H., Chizhov, M. V., Choi, K., Chomont, A. R., Chouridou, S., Chow, Y. S., Christodoulou, V., Chu, M. C., Chudoba, J., Chuinard, A. J., Chwastowski, J. J., Chytka, L., Ciftci, A. K., Cinca, D., Cindro, V., Cioară, I. A., Ciocio, A., Cirotto, F., Citron, Z. H., Citterio, M., Ciubancan, M., Clark, A., Clark, B. L., Clark, M. R., Clark, P. J., Clarke, R. N., Clement, C., Coadou, Y., Cobal, M., Coccaro, A., Cochran, J., Colasurdo, L., Cole, B., Colijn, A. P., Collot, J., Colombo, T., Conde Muiño, P., Coniavitis, E., Connell, S. H., Connelly, I. A., Constantinescu, S., Conti, G., Conventi, F., Cooke, M., Cooper-Sarkar, A. M., Cormier, F., Cormier, K. J. R., Corradi, M., Corriveau, F., Cortes-Gonzalez, A., Costa, G., Costa, M. J., Costanzo, D., Cottin, G., Cowan, G., Cox, B. E., Cranmer, K., Crawley, S. J., Creager, R. A., Cree, G., Crépé-Renaudin, S., Crescioli, F., Cribbs, W. A., Cristinziani, M., Croft, V., Crosetti, G., Cueto, A., Cuhadar Donszelmann, T., Cukierman, A. R., Cummings, J., Curatolo, M., Cúth, J., Czekierda, S., Czodrowski, P., D’amen, G., D’Auria, S., D’eramo, L., D’Onofrio, M., Da Cunha Sargedas De Sousa, M. J., Da Via, C., Dabrowski, W., Dado, T., Dai, T., Dale, O., Dallaire, F., Dallapiccola, C., Dam, M., Dandoy, J. R., Daneri, M. F., Dang, N. P., Daniells, A. C., Dann, N. S., Danninger, M., Dano Hoffmann, M., Dao, V., Darbo, G., Darmora, S., Dassoulas, J., Dattagupta, A., Daubney, T., Davey, W., David, C., Davidek, T., Davis, D. R., Davison, P., Dawe, E., Dawson, I., De, K., de Asmundis, R., De Benedetti, A., De Castro, S., De Cecco, S., De Groot, N., de Jong, P., De la Torre, H., De Lorenzi, F., De Maria, A., De Pedis, D., De Salvo, A., De Sanctis, U., De Santo, A., De Vasconcelos Corga, K., De Vivie De Regie, J. B., Debbe, R., Debenedetti, C., Dedovich, D. V., Dehghanian, N., Deigaard, I., Del Gaudio, M., Del Peso, J., Delgove, D., Deliot, F., Delitzsch, C. M., Dell’Acqua, A., Dell’Asta, L., Dell’Orso, M., Della Pietra, M., della Volpe, D., Delmastro, M., Delporte, C., Delsart, P. A., DeMarco, D. A., Demers, S., Demichev, M., Demilly, A., Denisov, S. P., Denysiuk, D., Derendarz, D., Derkaoui, J. E., Derue, F., Dervan, P., Desch, K., Deterre, C., Dette, K., Devesa, M. R., Deviveiros, P. O., Dewhurst, A., Dhaliwal, S., Di Bello, F. A., Di Ciaccio, A., Di Ciaccio, L., Di Clemente, W. K., Di Donato, C., Di Girolamo, A., Di Girolamo, B., Di Micco, B., Di Nardo, R., Di Petrillo, K. F., Di Simone, A., Di Sipio, R., Di Valentino, D., Diaconu, C., Diamond, M., Dias, F. A., Diaz, M. A., Dickinson, J., Diehl, E. B., Dietrich, J., Díez Cornell, S., Dimitrievska, A., Dingfelder, J., Dita, P., Dita, S., Dittus, F., Djama, F., Djobava, T., Djuvsland, J. I., do Vale, M. A. B., Dobos, D., Dobre, M., Dodsworth, D., Doglioni, C., Dolejsi, J., Dolezal, Z., Donadelli, M., Donati, S., Dondero, P., Donini, J., Dopke, J., Doria, A., Dova, M. T., Doyle, A. T., Drechsler, E., Dris, M., Du, Y., Duarte-Campderros, J., Dubinin, F., Dubreuil, A., Duchovni, E., Duckeck, G., Ducourthial, A., Ducu, O. A., Duda, D., Dudarev, A., Dudder, A. Chr., Duffield, E. M., Duflot, L., Dührssen, M., Dulsen, C., Dumancic, M., Dumitriu, A. E., Duncan, A. K., Dunford, M., Duperrin, A., Duran Yildiz, H., Düren, M., Durglishvili, A., Duschinger, D., Dutta, B., Duvnjak, D., Dyndal, M., Dziedzic, B. S., Eckardt, C., Ecker, K. M., Edgar, R. C., Eifert, T., Eigen, G., Einsweiler, K., Ekelof, T., El Kacimi, M., El Kosseifi, R., Ellajosyula, V., Ellert, M., Elles, S., Ellinghaus, F., Elliot, A. A., Ellis, N., Elmsheuser, J., Elsing, M., Emeliyanov, D., Enari, Y., Ennis, J. S., Epland, M. B., Erdmann, J., Ereditato, A., Ernst, M., Errede, S., Escalier, M., Escobar, C., Esposito, B., Estrada Pastor, O., Etienvre, A. I., Etzion, E., Evans, H., Ezhilov, A., Ezzi, M., Fabbri, F., Fabbri, L., Fabiani, V., Facini, G., Fakhrutdinov, R. M., Falciano, S., Falla, R. J., Faltova, J., Fang, Y., Fanti, M., Farbin, A., Farilla, A., Farina, C., Farina, E. M., Farooque, T., Farrell, S., Farrington, S. M., Farthouat, P., Fassi, F., Fassnacht, P., Fassouliotis, D., Faucci Giannelli, M., Favareto, A., Fawcett, W. J., Fayard, L., Fedin, O. L., Fedorko, W., Feigl, S., Feligioni, L., Feng, C., Feng, E. J., Fenton, M. J., Fenyuk, A. B., Feremenga, L., Fernandez Martinez, P., Ferrando, J., Ferrari, A., Ferrari, P., Ferrari, R., Ferreira de Lima, D. E., Ferrer, A., Ferrere, D., Ferretti, C., Fiedler, F., Filipčič, A., Filipuzzi, M., Filthaut, F., Fincke-Keeler, M., Finelli, K. D., Fiolhais, M. C. N., Fiorini, L., Fischer, A., Fischer, C., Fischer, J., Fisher, W. C., Flaschel, N., Fleck, I., Fleischmann, P., Fletcher, R. R. M., Flick, T., Flierl, B. M., Flores Castillo, L. R., Flowerdew, M. J., Forcolin, G. T., Formica, A., Förster, F. A., Forti, A., Foster, A. G., Fournier, D., Fox, H., Fracchia, S., Francavilla, P., Franchini, M., Franchino, S., Francis, D., Franconi, L., Franklin, M., Frate, M., Fraternali, M., Freeborn, D., Fressard-Batraneanu, S. M., Freund, B., Froidevaux, D., Frost, J. A., Fukunaga, C., Fusayasu, T., Fuster, J., Gabizon, O., Gabrielli, A., Gabrielli, A., Gach, G. P., Gadatsch, S., Gadomski, S., Gagliardi, G., Gagnon, L. G., Galea, C., Galhardo, B., Gallas, E. J., Gallop, B. J., Gallus, P., Galster, G., Gan, K. K., Ganguly, S., Gao, Y., Gao, Y. S., Garay Walls, F. M., García, C., García Navarro, J. E., García Pascual, J. A., Garcia-Sciveres, M., Gardner, R. W., Garelli, N., Garonne, V., Gascon Bravo, A., Gasnikova, K., Gatti, C., Gaudiello, A., Gaudio, G., Gavrilenko, I. L., Gay, C., Gaycken, G., Gazis, E. N., Gee, C. N. 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E., Pralavorio, P., Pranko, A., Prell, S., Price, D., Primavera, M., Prince, S., Proklova, N., Prokofiev, K., Prokoshin, F., Protopopescu, S., Proudfoot, J., Przybycien, M., Puri, A., Puzo, P., Qian, J., Qin, G., Qin, Y., Quadt, A., Queitsch-Maitland, M., Quilty, D., Raddum, S., Radeka, V., Radescu, V., Radhakrishnan, S. K., Radloff, P., Rados, P., Ragusa, F., Rahal, G., Raine, J. A., Rajagopalan, S., Rangel-Smith, C., Rashid, T., Raspopov, S., Ratti, M. G., Rauch, D. M., Rauscher, F., Rave, S., Ravinovich, I., Rawling, J. H., Raymond, M., Read, A. L., Readioff, N. P., Reale, M., Rebuzzi, D. M., Redelbach, A., Redlinger, G., Reece, R., Reed, R. G., Reeves, K., Rehnisch, L., Reichert, J., Reiss, A., Rembser, C., Ren, H., Rescigno, M., Resconi, S., Resseguie, E. D., Rettie, S., Reynolds, E., Rezanova, O. L., Reznicek, P., Rezvani, R., Richter, R., Richter, S., Richter-Was, E., Ricken, O., Ridel, M., Rieck, P., Riegel, C. J., Rieger, J., Rifki, O., Rijssenbeek, M., Rimoldi, A., Rimoldi, M., Rinaldi, L., Ripellino, G., Ristić, B., Ritsch, E., Riu, I., Rizatdinova, F., Rizvi, E., Rizzi, C., Roberts, R. T., Robertson, S. H., Robichaud-Veronneau, A., Robinson, D., Robinson, J. E. M., Robson, A., Rocco, E., Roda, C., Rodina, Y., Rodriguez Bosca, S., Rodriguez Perez, A., Rodriguez Rodriguez, D., Roe, S., Rogan, C. S., Røhne, O., Roloff, J., Romaniouk, A., Romano, M., Romano Saez, S. M., Romero Adam, E., Rompotis, N., Ronzani, M., Roos, L., Rosati, S., Rosbach, K., Rose, P., Rosien, N.-A., Rossi, E., Rossi, L. P., Rosten, J. H. N., Rosten, R., Rotaru, M., Rothberg, J., Rousseau, D., Roy, D., Rozanov, A., Rozen, Y., Ruan, X., Rubbo, F., Rühr, F., Ruiz-Martinez, A., Rurikova, Z., Rusakovich, N. A., Russell, H. L., Rutherfoord, J. P., Ruthmann, N., Rüttinger, E. M., Ryabov, Y. F., Rybar, M., Rybkin, G., Ryu, S., Ryzhov, A., Rzehorz, G. F., Saavedra, A. F., Sabato, G., Sacerdoti, S., Sadrozinski, H. 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R., Straessner, A., Stramaglia, M. E., Strandberg, J., Strandberg, S., Strauss, M., Strizenec, P., Ströhmer, R., Strom, D. M., Stroynowski, R., Strubig, A., Stucci, S. A., Stugu, B., Styles, N. A., Su, D., Su, J., Suchek, S., Sugaya, Y., Suk, M., Sulin, V. V., Sultan, D. M. S., Sultansoy, S., Sumida, T., Sun, S., Sun, X., Suruliz, K., Suster, C. J. E., Sutton, M. R., Suzuki, S., Svatos, M., Swiatlowski, M., Swift, S. P., Sykora, I., Sykora, T., Ta, D., Tackmann, K., Taenzer, J., Taffard, A., Tafirout, R., Tahirovic, E., Taiblum, N., Takai, H., Takashima, R., Takasugi, E. H., Takeda, K., Takeshita, T., Takubo, Y., Talby, M., Talyshev, A. A., Tanaka, J., Tanaka, M., Tanaka, R., Tanaka, S., Tanioka, R., Tannenwald, B. B., Tapia Araya, S., Tapprogge, S., Tarem, S., Tartarelli, G. F., Tas, P., Tasevsky, M., Tashiro, T., Tassi, E., Tavares Delgado, A., Tayalati, Y., Taylor, A. C., Taylor, A. J., Taylor, G. N., Taylor, P. T. E., Taylor, W., Teixeira-Dias, P., Temple, D., Ten Kate, H., Teng, P. K., Teoh, J. J., Tepel, F., Terada, S., Terashi, K., Terron, J., Terzo, S., Testa, M., Teuscher, R. J., Thais, S. J., Theveneaux-Pelzer, T., Thiele, F., Thomas, J. P., Thomas-Wilsker, J., Thompson, P. D., Thompson, A. S., Thomsen, L. A., Thomson, E., Tian, Y., Tibbetts, M. J., Ticse Torres, R. E., Tikhomirov, V. O., Tikhonov, Yu. A., Timoshenko, S., Tipton, P., Tisserant, S., Todome, K., Todorova-Nova, S., Todt, S., Tojo, J., Tokár, S., Tokushuku, K., Tolley, E., Tomlinson, L., Tomoto, M., Tompkins, L., Toms, K., Tong, B., Tornambe, P., Torrence, E., Torres, H., Torró Pastor, E., Toth, J., Touchard, F., Tovey, D. R., Treado, C. J., Trefzger, T., Tresoldi, F., Tricoli, A., Trigger, I. M., Trincaz-Duvoid, S., Tripiana, M. F., Trischuk, W., Trocmé, B., Trofymov, A., Troncon, C., Trottier-McDonald, M., Trovatelli, M., Truong, L., Trzebinski, M., Trzupek, A., Tsang, K. W., Tseng, J. C-L., Tsiareshka, P. V., Tsirintanis, N., Tsiskaridze, S., Tsiskaridze, V., Tskhadadze, E. G., Tsukerman, I. I., Tsulaia, V., Tsuno, S., Tsybychev, D., Tu, Y., Tudorache, A., Tudorache, V., Tulbure, T. T., Tuna, A. N., Turchikhin, S., Turgeman, D., Turk Cakir, I., Turra, R., Tuts, P. M., Ucchielli, G., Ueda, I., Ughetto, M., Ukegawa, F., Unal, G., Undrus, A., Unel, G., Ungaro, F. C., Unno, Y., Uno, K., Unverdorben, C., Urban, J., Urquijo, P., Urrejola, P., Usai, G., Usui, J., Vacavant, L., Vacek, V., Vachon, B., Vadla, K. O. H., Vaidya, A., Valderanis, C., Valdes Santurio, E., Valente, M., Valentinetti, S., Valero, A., Valéry, L., Valkar, S., Vallier, A., Valls Ferrer, J. A., Van Den Wollenberg, W., van der Graaf, H., van Gemmeren, P., Van Nieuwkoop, J., van Vulpen, I., van Woerden, M. C., Vanadia, M., Vandelli, W., Vaniachine, A., Vankov, P., Vardanyan, G., Vari, R., Varnes, E. W., Varni, C., Varol, T., Varouchas, D., Vartapetian, A., Varvell, K. E., Vasquez, J. G., Vasquez, G. A., Vazeille, F., Vazquez Furelos, D., Vazquez Schroeder, T., Veatch, J., Veeraraghavan, V., Veloce, L. M., Veloso, F., Veneziano, S., Ventura, A., Venturi, M., Venturi, N., Venturini, A., Vercesi, V., Verducci, M., Verkerke, W., Vermeulen, A. T., Vermeulen, J. C., Vetterli, M. C., Viaux Maira, N., Viazlo, O., Vichou, I., Vickey, T., Vickey Boeriu, O. E., Viehhauser, G. H. A., Viel, S., Vigani, L., Villa, M., Villaplana Perez, M., Vilucchi, E., Vincter, M. G., Vinogradov, V. B., Vishwakarma, A., Vittori, C., Vivarelli, I., Vlachos, S., Vogel, M., Vokac, P., Volpi, G., von der Schmitt, H., von Toerne, E., Vorobel, V., Vorobev, K., Vos, M., Voss, R., Vossebeld, J. H., Vranjes, N., Vranjes Milosavljevic, M., Vrba, V., Vreeswijk, M., Vuillermet, R., Vukotic, I., Wagner, P., Wagner, W., Wagner-Kuhr, J., Wahlberg, H., Wahrmund, S., Wakamiya, K., Walder, J., Walker, R., Walkowiak, W., Wallangen, V., Wang, C., Wang, C., Wang, F., Wang, H., Wang, H., Wang, J., Wang, J., Wang, Q., Wang, R.-J., Wang, R., Wang, S. M., Wang, T., Wang, W., Wang, W., Wang, Z., Wanotayaroj, C., Warburton, A., Ward, C. P., Wardrope, D. R., Washbrook, A., Watkins, P. M., Watson, A. T., Watson, M. F., Watts, G., Watts, S., Waugh, B. M., Webb, A. F., Webb, S., Weber, M. S., Weber, S. M., Weber, S. W., Weber, S. A., Webster, J. S., Weidberg, A. R., Weinert, B., Weingarten, J., Weirich, M., Weiser, C., Weits, H., Wells, P. S., Wenaus, T., Wengler, T., Wenig, S., Wermes, N., Werner, M. D., Werner, P., Wessels, M., Weston, T. D., Whalen, K., Whallon, N. L., Wharton, A. M., White, A. S., White, A., White, M. J., White, R., Whiteson, D., Whitmore, B. W., Wickens, F. J., Wiedenmann, W., Wielers, M., Wiglesworth, C., Wiik-Fuchs, L. A. M., Wildauer, A., Wilk, F., Wilkens, H. G., Williams, H. H., Williams, S., Willis, C., Willocq, S., Wilson, J. A., Wingerter-Seez, I., Winkels, E., Winklmeier, F., Winston, O. J., Winter, B. T., Wittgen, M., Wobisch, M., Wolf, A., Wolf, T. M. H., Wolff, R., Wolter, M. W., Wolters, H., Wong, V. W. S., Woods, N. L., Worm, S. D., Wosiek, B. K., Wotschack, J., Wozniak, K. W., Wu, M., Wu, S. L., Wu, X., Wu, Y., Wyatt, T. R., Wynne, B. M., Xella, S., Xi, Z., Xia, L., Xu, D., Xu, L., Xu, T., Xu, W., Yabsley, B., Yacoob, S., Yamaguchi, D., Yamaguchi, Y., Yamamoto, A., Yamamoto, S., Yamanaka, T., Yamane, F., Yamatani, M., Yamazaki, T., Yamazaki, Y., Yan, Z., Yang, H., Yang, H., Yang, Y., Yang, Z., Yao, W-M., Yap, Y. C., Yasu, Y., Yatsenko, E., Yau Wong, K. H., Ye, J., Ye, S., Yeletskikh, I., Yigitbasi, E., Yildirim, E., Yorita, K., Yoshihara, K., Young, C., Young, C. J. S., Yu, J., Yu, J., Yuen, S. P. Y., Yusuff, I., Zabinski, B., Zacharis, G., Zaidan, R., Zaitsev, A. M., Zakharchuk, N., Zalieckas, J., Zaman, A., Zambito, S., Zanzi, D., Zeitnitz, C., Zemaityte, G., Zemla, A., Zeng, J. C., Zeng, Q., Zenin, O., Ženiš, T., Zerwas, D., Zhang, D., Zhang, D., Zhang, F., Zhang, G., Zhang, H., Zhang, J., Zhang, L., Zhang, L., Zhang, M., Zhang, P., Zhang, R., Zhang, R., Zhang, X., Zhang, Y., Zhang, Z., Zhao, X., Zhao, Y., Zhao, Z., Zhemchugov, A., Zhou, B., Zhou, C., Zhou, L., Zhou, M., Zhou, M., Zhou, N., Zhou, Y., Zhu, C. G., Zhu, H., Zhu, J., Zhu, Y., Zhuang, X., Zhukov, K., Zibell, A., Zieminska, D., Zimine, N. I., Zimmermann, C., Zimmermann, S., Zinonos, Z., Zinser, M., Ziolkowski, M., Živković, L., Zobernig, G., Zoccoli, A., Zou, R., zur Nedden, M., and Zwalinski, L.
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- 2023
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10. A randomised controlled trial of compression therapies for the treatment of venous leg ulcers (VenUS 6): study protocol for a pragmatic, multicentre, parallel-group, three-arm randomised controlled trial
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Arundel, C. E., Welch, C., Saramago, P., Adderley, U., Atkinson, R., Chetter, I., Cullum, N., Davill, T., Griffiths, J., Hewitt, C., Hirst, C., Kletter, M., Mullings, J., Roberts, G., Smart, B., Soares, M., Stather, P., Strachan, L., Stubbs, N., Torgerson, D. J., Watson, J., Zahra, S., and Dumville, J.
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- 2023
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11. Long Pulse EBW Start-up Experiments in MAST
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Shevchenko V.F., Baranov Y.F., Bigelow T., Caughman J.B., Diem S., Dukes C., Finburg P., Hawes J., Gurl C., Griffiths J., Mailloux J., Peng M., Saveliev A.N., Takase Y., Tanaka H., and Taylor G.
- Subjects
Physics ,QC1-999 - Abstract
Start-up technique reported here relies on a double mode conversion (MC) for electron Bernstein wave (EBW) excitation. It consists of MC of the ordinary (O) mode, entering the plasma from the low field side of the tokamak, into the extraordinary (X) mode at a mirror-polarizer located at the high field side. The X mode propagates back to the plasma, passes through electron cyclotron resonance (ECR) and experiences a subsequent X to EBW MC near the upper hybrid resonance (UHR). Finally the excited EBW mode is totally absorbed at the Doppler shifted ECR. The absorption of EBW remains high even in cold rarefied plasmas. Furthermore, EBW can generate significant plasma current giving the prospect of a fully solenoid-free plasma start-up. First experiments using this scheme were carried out on MAST [1]. Plasma currents up to 33 kA have been achieved using 28 GHz 100kW 90ms RF pulses. Recently experimental results were extended to longer RF pulses showing further increase of plasma currents generated by RF power alone. A record current of 73kA has been achieved with 450ms RF pulse of similar power. The current drive enhancement was mainly achieved due to RF pulse extension and further optimisation of the start-up scenario.
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- 2015
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12. Time-resolved Coulomb collision of single electrons
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Fletcher, J. D., Park, W., Ryu, S., See, P., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Sim, H.-S., and Kataoka, M.
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- 2023
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13. Engineering electron wavefunctions in asymmetrically confined quasi one-dimensional structures
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Kumar, S., Pepper, M., Montagu, H., Ritchie, D., Farrer, I., Griffiths, J., and Jones, G.
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Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We present results on electron transport in quasi-one dimensional (1D) quantum wires in GaAs/AlGaAs heterostructures obtained using an asymmetric confinement potential. The variation of the energy levels of the spatially quantized states is followed from strong confinement through weak confinement to the onset of two-dimensionality. An anticrossing of the initial ground and first excited states is found as the asymmetry of the potential is varied giving rise to two anticrossing events which occur on either side of symmetric confinement. We present results analysing this behaviour and showing how it can be affected by the inhomogeneity in background potential. The use of an enhanced source-drain voltage to alter the energy levels is shown to be a significant validation of the analysis by showing the formation of double rows of electrons which correlate with the anticrossing., Comment: 4 figures
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- 2021
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14. Microscopic metallic air-bridge arrays for connecting quantum devices
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Jin, Y., Moreno, M., Vianez, P. M. T., Tan, W. K., Griffiths, J. P., Farrer, I., Ritchie, D. A., and Ford, C. J. B.
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Condensed Matter - Mesoscale and Nanoscale Physics ,Condensed Matter - Materials Science ,Condensed Matter - Other Condensed Matter ,Physics - Applied Physics ,Quantum Physics - Abstract
We present a single-exposure fabrication technique for a very large array of microscopic air-bridges using a tri-layer resist process with electron-beam lithography. The technique is capable of forming air-bridges with strong metal-metal or metal-substrate connections. This was demonstrated by its application in an electron tunnelling device consisting of 400 identical surface gates for defining quantum wires, where the air-bridges are used as suspended connections for the surface gates. This technique enables us to create a large array of uniform one-dimensional channels that are open at both ends. In this article, we outline the details of the fabrication process, together with a study and the solution of the challenges present in the development of the technique, which includes the use of water-IPA (isopropyl alcohol) developer, calibration of resist thickness and numerical simulation of the development., Comment: 6 pages, 5 figures; This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing
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- 2021
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15. Observing separate spin and charge Fermi seas in a strongly correlated one-dimensional conductor
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Vianez, P. M. T., Jin, Y., Moreno, M., Anirban, A. S., Anthore, A., Tan, W. K., Griffiths, J. P., Farrer, I., Ritchie, D. A., Schofield, A. J., Tsyplyatyev, O., and Ford, C. J. B.
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Condensed Matter - Mesoscale and Nanoscale Physics ,Condensed Matter - Strongly Correlated Electrons ,Physics - Applied Physics ,Quantum Physics - Abstract
An electron is usually considered to have only one form of kinetic energy, but could it have more, for its spin and charge, by exciting other electrons? In one dimension (1D), the physics of interacting electrons is captured well at low energies by the Tomonaga-Luttinger model, yet little has been observed experimentally beyond this linear regime. Here, we report on measurements of many-body modes in 1D gated-wires using tunnelling spectroscopy. We observe two parabolic dispersions, indicative of separate Fermi seas at high energies, associated with spin and charge excitations, together with the emergence of two additional 1D 'replica' modes that strengthen with decreasing wire length. The effective interaction strength is varied by changing the amount of 1D inter-subband screening by over 45%. Our findings demonstrate the existence of spin-charge separation in the whole energy band outside the low-energy limit of validity of the Tomonaga-Luttinger model, and also set a constraint on the validity of the newer nonlinear Tomonaga-Luttinger theory., Comment: 51 pages, 14 figures
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- 2021
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16. Sediment texture and geochemistry as predictors of sub-depositional environment in a modern estuary using machine learning: A framework for investigating clay-coated sand grains
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Nichols, T.E., Worden, R.H., Houghton, J.E., Duller, R.A., Griffiths, J., and Utley, J.E.P.
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- 2023
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17. The interplay between susceptibility and vaccine effectiveness control the timing and size of an emerging seasonal influenza wave in England
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van Leeuwen, E., Panovska-Griffiths, J., Elgohari, S., Charlett, A., and Watson, C.
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- 2023
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18. Stress-Induced Tetragonal→Orthorhombic Transformation in Mg-PSZ
- Author
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Kisi, E. H., primary, Griffiths, J. R., additional, Gross, A. K., additional, and Finlayson, T. R., additional
- Published
- 2023
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19. Identification of the Neural Correlates Underlying Conflict Resolution Performance Using a Rodent Analogue of the Stroop Tests
- Author
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Clinch, S.P., Busse, M., Griffiths, J., Rosser, A.E., and Lelos, M.J.
- Published
- 2023
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- View/download PDF
20. Quantised conductance of one-dimensional strongly-correlated electrons in an oxide heterostructure
- Author
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Hou, H., Kozuka, Y., Liao, Jun-Wei, Smith, L. W., Kos, D., Griffiths, J. P., Falson, J., Tsukazaki, A., Kawasaki, M., and Ford, C. J. B.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Oxide heterostructures are versatile platforms with which to research and create novel functional nanostructures. We successfully develop one-dimensional (1D) quantum-wire devices using quantum point contacts on MgZnO/ZnO heterostructures and observe ballistic electron transport with conductance quantised in units of 2e^{2}/h. Using DC-bias and in-plane field measurements, we find that the g-factor is enhanced to around 6.8, more than three times the value in bulk ZnO. We show that the effective mass m^{*} increases as the electron density decreases, resulting from the strong electron-electron interactions. In this strongly interacting 1D system we study features matching the 0.7 conductance anomalies up to the fifth subband. This paper demonstrates that high-mobility oxide heterostructures such as this can provide good alternatives to conventional III-V semiconductors in spintronics and quantum computing as they do not have their unavoidable dephasing from nuclear spins. This paves a way for the development of qubits benefiting from the low defects of an undoped heterostructure together with the long spin lifetimes achievable in silicon.
- Published
- 2019
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21. Continuous-Variable Tomography of Solitary Electrons
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Fletcher, J. D., Johnson, N., Locane, E., See, P., Griffiths, J. P., Farrer, I., Ritchie, D. A., Brouwer, P. W., Kashcheyevs, V., and Kataoka, M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
A method for characterising the wave-function of freely-propagating particles would provide a useful tool for developing quantum-information technologies with single electronic excitations. Previous continuous-variable quantum tomography techniques developed to analyse electronic excitations in the energy-time domain have been limited to energies close to the Fermi level. We show that a wideband tomography of single-particle distributions is possible using energy-time filtering and that the Wigner representation of the mixed-state density matrix can be reconstructed for solitary electrons emitted by an on-demand single-electron source. These are highly localised distributions, isolated from the Fermi sea. While we cannot resolve the pure state Wigner function of our excitations due to classical fluctuations, we can partially resolve the chirp and squeezing of the Wigner function imposed by emission conditions and quantify the quantumness of the source. This tomography scheme, when implemented with sufficient experimental resolution, will enable quantum-limited measurements, providing information on electron coherence and entanglement at the individual particle level., Comment: Updated to published text
- Published
- 2019
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22. Experimental realization of a quantum dot energy harvester
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Jaliel, G., Puddy, R. K., Sánchez, R., Jordan, A. N., Sothmann, B., Farrer, I., Griffiths, J. P., Ritchie, D. A., and Smith, C. G.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We demonstrate experimentally an autonomous nanoscale energy harvester that utilises the physics of resonant tunnelling quantum dots. Gate defined quantum dots on GaAs/AlGaAs high-electron-mobility transistors are placed on either side of a hot electron reservoir. The discrete energy levels of the quantum dots are tuned to be aligned with low energy electrons on one side and high energy electrons on the other side of the hot reservoir. The quantum dots thus act as energy filters and allow for the conversion of heat from the cavity into electrical power. This energy harvester device, measured at an estimated base temperature of 75 mK in a He3/He4 dilution refrigerator, can generate a thermal power of 0.13 fW when the temperature difference across each dot is about 67 mK.
- Published
- 2019
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23. The experience of social policy reform for voluntary advice organisations : a multi-site case study in Liverpool
- Author
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Griffiths, J., Millward, P., Metcalf, L., and Allen, C.
- Subjects
361.6 ,HN Social history and conditions. Social problems. Social reform - Abstract
Social policy reform following the Welfare Reform Act 2012 has led to a shift in demand for voluntary advice organisations that are both advising on and dealing with issues related to these changes simultaneously. The existing body of literature focusses on the operations of advice organisation Citizens Advice, this thesis expands the body of knowledge through an exploration of varying structures of voluntary advice organisations. The social policy reforms that have been introduced following the Welfare Reform Act 2012 are disproportionately affecting the most vulnerable individuals in society, although there remains little insight into the voluntary advice organisations that help individuals navigate these changes. Therefore, the main aim of this thesis was to gather an understanding of these experiences for voluntary advice organisations in order to aid future perceptions of social policy reform in the sector. Liverpool, one of the most heavily impacted cities following these reforms, was used as the fieldwork site for this research. Three case study sites were explored with voluntary organisations that varied in organisational structure, Federal, Local Providing and Local Empowering to discover how their experiences differed. Qualitative interviews were carried out with representatives from the roles within the hierarchy of each organisation, gathering comparative data regarding the differences in the experience of volunteers, employees and managers. This thesis reveals that volunteers at the 'front-line' of advice experience change most significantly as they develop the closest relationship to service users and their issues, whilst keeping abreast of fast-paced change within their often-irregular voluntary roles. This thesis also provides an understanding of the provision of advice at varying structures of voluntary advice organisations, exploring their role and the relationships that occur within local communities. Local organisations for example, have greater autonomy to provide advice that is community focussed. It contributes to the existing body of knowledge as it investigates a variety of organisational structures, highlighting that the experiences of social policy change do occur in different ways both within and between voluntary advice organisations. This thesis offers a broader understanding of the way in which voluntary advice organisations experience social policy reform, dependent on their organisational structure and their hierarchical relationships with service users.
- Published
- 2019
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24. Momentum-dependent power law measured in an interacting quantum wire beyond the Luttinger limit
- Author
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Jin, Y., Tsyplyatyev, O., Moreno, M., Anthore, A., Tan, W. K., Griffiths, J. P., Farrer, I., Ritchie, D. A., Glazman, L. I., Schofield, A. J., and Ford, C. J. B.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Power laws in physics have until now always been associated with a scale invariance originating from the absence of a length scale. Recently, an emergent invariance even in the presence of a length scale has been predicted by the newly-developed nonlinear-Luttinger-liquid theory for a one-dimensional (1D) quantum fluid at finite energy and momentum, at which the particle's wavelength provides the length scale. We present the first experimental example of this new type of power law in the spectral function of interacting electrons in a quantum wire using a transport-spectroscopy technique. The observed momentum dependence of the power law in the high-energy region matches the theoretical predictions, supporting not only the 1D theory of interacting particles beyond the linear regime but also the existence of a new type of universality that emerges at finite energy and momentum.
- Published
- 2018
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25. Radio-frequency reflectometry of a quantum dot using an ultra-low-noise SQUID amplifier
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Schupp, F. J., Vigneau, F., Wen, Y., Mavalankar, A., Griffiths, J., Jones, G. A. C., Farrer, I., Ritchie, D. A., Smith, C. G., Camenzind, L. C., Yu, L., Zumbühl, D. M., Briggs, G. A. D., Ares, N., and Laird, E. A.
- Subjects
Quantum Physics ,Condensed Matter - Mesoscale and Nanoscale Physics ,Physics - Applied Physics ,Physics - Instrumentation and Detectors - Abstract
Fault-tolerant spin-based quantum computers will require fast and accurate qubit readout. This can be achieved using radio-frequency reflectometry given sufficient sensitivity to the change in quantum capacitance associated with the qubit states. Here, we demonstrate a 23-fold improvement in capacitance sensitivity by supplementing a cryogenic semiconductor amplifier with a SQUID preamplifier. The SQUID amplifier operates at a frequency near 200 MHz and achieves a noise temperature below 600 mK when integrated into a reflectometry circuit, which is within a factor 120 of the quantum limit. It enables a record sensitivity to capacitance of 0.07 aF/\sqrt{Hz}. The setup is used to acquire charge stability diagrams of a gate-defined double quantum dot in a short time with a signal-to-noise ration of about 38 in 1 microsecond of integration time.
- Published
- 2018
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26. Rectification in mesoscopic AC-gated semiconductor devices
- Author
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Giblin, S. P., Kataoka, M., Fletcher, J. D., See, P., Janssen, T. J. B. M., Griffiths, J. P., Jones, G. A. C., Farrer, I., and Ritchie, D. A.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We measure the rectified dc currents resulting when a 3-terminal semiconductor device with gate-dependent conductance is driven with an ac gate voltage. The rectified currents exhibit surprisingly complex behaviour as the dc source-drain bias voltage, the dc gate voltage and the amplitude of the ac gate voltage are varied. We obtain good agreement between our data and a model based on simple assumptions about the stray impedances on the sample chip, over a wide frequency range. This method is applicable to many types of experiment which involve ac gating of a non-linear device, and where an undesireable rectified contribution to the measured signal is present. Finally, we evaluate the small rectified currents flowing in tunable-barrier electron pumps operated in the pinched-off regime. These currents are at most $10^{-12}$ of the pumped current for a pump current of 100 pA. This result is encouraging for the development of tunable-barrier pumps as metrological current standards., Comment: 7 pages, 5 figures
- Published
- 2018
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27. Error detection in a tunable-barrier electron pump
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Giblin, S. P., See, P., Fletcher, J. D., Janssen, T. J. B. M., Griffiths, J. P., Jones, G. A. C., Farrer, I., and Kataoka, M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We measure the average number of electrons loaded into an electrostatically-defined quantum dot (QD) operated as a tunable-barrier electron pump, using a point-contact (PC) charge sensor 1 micron away from the QD. The measurement of the electron number probes the QD loading dynamics even in the limit of slow gate voltage rise-times, when the pumped current is too small to measure. Using simulations we show that, with optimised QD-PC coupling, the experiment can make single-shot measurements of the number of electrons in the QD with sufficiently high fidelity to test the error rate of the electron pump with metrological precision., Comment: 6 pages, 4 figures. This is an unpublished study preceding the work published as "High-resolution error detection in the capture process of a single-electron pump", Applied Physics Letters vol. 108, 023502 (2016)
- Published
- 2018
28. High-resolution error detection in the capture process of a single-electron pump
- Author
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Giblin, S. P., See, P., Petrie, A., Janssen, T. J. B. M., Farrer, I., Griffiths, J. P., Jones, G. A. C., Ritchie, D. A., and Kataoka, M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
The dynamic capture of electrons in a semiconductor quantum dot (QD) by raising a potential barrier is a crucial stage in metrological quantized charge pumping. In this work, we use a quantum point contact (QPC) charge sensor to study errors in the electron capture process of a QD formed in a GaAs heterostructure. Using a two-step measurement protocol to compensate for $1/f$ noise in the QPC current, and repeating the protocol more than $10^{6}$ times, we are able to resolve errors with probabilities of order $10^{-6}$. For the studied sample, one-electron capture is affected by errors in $\sim30$ out of every million cycles, while two-electron capture was performed more than $10^6$ times with only one error. For errors in one-electron capture, we detect both failure to capture an electron, and capture of two electrons. Electron counting measurements are a valuable tool for investigating non-equilibrium charge capture dynamics, and necessary for validating the metrological accuracy of semiconductor electron pumps., Comment: 5 pages, 4 figures
- Published
- 2018
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29. Magnetoresistance in an electronic cavity coupled to one-dimensional systems
- Author
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Yan, Chengyu, Kumar, Sanjeev, See, Patrick, Farrer, Ian, Ritchie, David, Griffiths, J. P., Jones, G. A. C., and Pepper, Michael
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
In this work, we performed magnetoresistance measurement in a hybrid system consisting of an arc-shaped quantum point contact (QPC) and a flat, rectangular QPC, both of which together form an electronic cavity between them. The results highlight a transition between collimation-induced resistance dip to a magnetoresistance peak as the strength of coupling between the QPC and the electronic cavity was increased. The initial results show the promise of hybrid quantum system for future quantum technologies.
- Published
- 2018
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30. Pulse Shape Discrimination and Exploration of Scintillation Signals Using Convolutional Neural Networks
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Griffiths, J., Kleinegesse, S., Saunders, D., Taylor, R., and Vacheret, A.
- Subjects
Physics - Instrumentation and Detectors - Abstract
We demonstrate the use of a convolutional neural network to perform neutron-gamma pulse shape discrimination, where the only inputs to the network are the raw digitised SiPM signals from a dual scintillator detector element made of 6LiF:ZnS(Ag) scintillator and PVT plastic. A realistic labelled dataset was created to train the network by exposing the detector to an AmBe source, and a data-driven method utilsing a separate PMT was used to assign labels to the recorded signals. This approach is compared to the charge integration and continuous wavelet transform methods and is found to provide superior levels of discrimination, achieving an AUC of 0.995 +/- 0.003. We find that the neural network is capable of extracting interpretable features directly from the raw data. In addition, by visualising the high-dimensional representations of the network with the t-SNE algorithm, we discover that not only is this method robust to minor mislabeling of the training dataset but that it is possible to identify an underlying substructure within the signals that goes beyond the original labelling. This technique could be utilised to explore and cluster complex, raw detector data in a novel way that may reveal more insights than standard analysis methods., Comment: 13 pages, 8 figures, submitted to Nucl. Instr. Meth. A
- Published
- 2018
31. Experimental verification of electrostatic boundary conditions in gate-patterned quantum devices
- Author
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Hou, H., Chung, Y., Rughoobur, G., Hsiao, T. K., Nasir, A., Flewitt, A. J., Griffiths, J. P., Farrer, I., Ritchie, D. A., and Ford, C. J. B.
- Subjects
Physics - Applied Physics ,Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
In a model of a gate-patterned quantum device it is important to choose the correct electrostatic boundary conditions (BCs) in order to match experiment. In this study, we model gated-patterned devices in doped and undoped GaAs heterostructures for a variety of BCs. The best match is obtained for an unconstrained surface between the gates, with a dielectric region above it and a frozen layer of surface charge, together with a very deep back boundary. Experimentally, we find a 0.2V offset in pinch-off characteristics of one-dimensional channels in a doped heterostructure before and after etching off a ZnO overlayer, as predicted by the model. Also, we observe a clear quantised current driven by a surface acoustic wave through a lateral induced n-i-n junction in an undoped heterostructure. In the model, the ability to pump electrons in this type of device is highly sensitive to the back BC. Using the improved boundary conditions, it is straightforward to model quantum devices quite accurately using standard software., Comment: 8 pages, 3 figures
- Published
- 2018
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32. Independent indistinguishable quantum light sources on a reconfigurable photonic integrated circuit
- Author
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Ellis, D. J. P., Bennett, A. J., Dangel, C., Lee, J. P., Griffiths, J. P., Mitchell, T. A., Paraiso, T. -K., Spencer, P., Ritchie, D. A., and Shields, A. J.
- Subjects
Physics - Applied Physics ,Physics - Optics ,Quantum Physics - Abstract
We report a compact, scalable, quantum photonic integrated circuit realised by combining multiple, independent InGaAs/GaAs quantum-light-emitting-diodes (QLEDs) with a silicon oxynitride waveguide circuit. Each waveguide joining the circuit can then be excited by a separate, independently electrically contacted QLED. We show that the emission from neighbouring QLEDs can be independently tuned to degeneracy using the Stark Effect and that the resulting photon streams are indistinguishable. This enables on-chip Hong-Ou-Mandel-type interference, as required for many photonic quantum information processing schemes., Comment: 15 pages, 5 figures
- Published
- 2018
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33. Controlled spatial separation of spins and coherent dynamics in spin-orbit-coupled nanostructures
- Author
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Lo, Shun-Tsung, Chen, Chin-Hung, Fan, Ju-Chun, Smith, L. W., Creeth, G. L., Chang, Che-Wei, Pepper, M., Griffiths, J. P., Farrer, I., Beere, H. E., Jones, G. A. C., Ritchie, D. A., and Chen, Tse-Ming
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
The spatial separation of electron spins followed by the control of their individual spin dynamics has recently emerged as an essential ingredient in many proposals for spin-based technologies because it would enable both of the two spin species to be simultaneously utilized, distinct from most of the current spintronic studies and technologies wherein only one spin species could be handled at a time. Here we demonstrate that the spatial spin splitting of a coherent beam of electrons can be achieved and controlled using the interplay between an external magnetic field and Rashba spin-orbit interaction in semiconductor nanostructures. The technique of transverse magnetic focusing is used to detect this spin separation. More notably, our ability to engineer the spin-orbit interactions enables us to simultaneously manipulate and probe the coherent spin dynamics of both spin species and hence their correlation, which could open a route towards spintronics and spin-based quantum information processing., Comment: 15 pages, 4 figures
- Published
- 2018
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34. LO-phonon emission rate of hot electrons from an on-demand single-electron source in a GaAs/AlGaAs heterostructure
- Author
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Johnson, N., Emary, C., Ryu, S., Sim, H. -S., See, P., Fletcher, J. D., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Pepper, M., Janssen, T. J. B. M., and Kataoka, M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Using a recently-developed time-of-flight measurement technique with 1 ps time resolution and electron-energy spectroscopy, we developed a method to measure the longitudinal-optical-phonon emission rate of hot electrons travelling along a depleted edge of a quantum Hall bar. A comparison of the experimental results to a single-particle model implies that the main scattering mechanism involves a two-step process via intra-Landau-level transition. We show this scattering can be suppressed by controlling the edge potential profile, and a scattering length > 1 mm can be achieved, allowing the use of this system for scalable single-electron device applications., Comment: 5 pages and supplementary
- Published
- 2017
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35. Mineralogical and textural variation in modern estuarine sands : implications for sandstone reservoir quality
- Author
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Griffiths, J. and Worden, Richard
- Subjects
577 - Published
- 2018
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36. Direct observation of exchange-driven spin interactions in one-dimensional system
- Author
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Yan, Chengyu, Kumar, Sanjeev, Thomas, Kalarikad, Pepper, Michael, See, Patrick, Farrer, Ian, Ritchie, David, Griffiths, J. P., and Jones, G. A. C.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We present experimental results of transverse electron focusing measurements performed on an n-type GaAs based mesoscopic device consisting of one-dimensional (1D) quantum wires as injector and detector. We show that non-adiabatic injection of 1D electrons at a conductance of e$^2$/h results in a single first focusing peak, which on gradually increasing the injector conductance up to 2e$^2$/h , produces asymmetric two sub-peaks in the first focusing peak, each sub-peak representing the population of spin-state arising from the spatially separated spins in the injector. Further increasing the conductance flips the spin-states in the 1D channel thus reversing the asymmetry in the sub-peaks. On applying a source-drain bias, the spin-gap, so obtained, can be resolved thus providing evidence of exchange interaction induced spin polarisation in the 1D systems.
- Published
- 2017
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- View/download PDF
37. Surface Acoustic wave modulation of a coherently driven quantum dot in a pillar microcavity
- Author
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Villa, B., Bennett, A. J., Ellis, D. J. P., Lee, J. P., Skiba-Szymanska, J., Mitchell, T. A., Griffiths, J. P., Farrer, I., Ritchie, D. A., Ford, C. J. B., and Shields, A. J.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics ,Quantum Physics - Abstract
We report the efficient coherent photon scattering from a semiconductor quantum dot embedded in a pillar microcavity. We show that a surface acoustic wave can periodically modulate the energy levels of the quantum dot, but has a negligible effect on the cavity mode. The scattered narrow-band laser is converted to a pulsed single-photon stream, displaying an anti-bunching dip characteristic of single-photon emission. Multiple phonon sidebands are resolved in the emission spectrum, due to the absorption and emission of vibrational quanta in each scattering event., Comment: To be published in Applied Physics Letters
- Published
- 2017
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38. What is a geohazard?
- Author
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Lee, E. M. and Griffiths, J. S.
- Subjects
ENVIRONMENTAL geology ,ENGINEERING geology ,GEOTECHNICAL engineering ,EMERGENCY management ,GEOLOGY - Abstract
'Geohazard' has become one of the classic terms of engineering geology, a contraction of the term geological hazard. It seems that everyone knows what a geohazard is, but then seems to offer examples that betray significant differences of opinion. In this paper, we examine how the almost parallel emergence of the term through different disciplines, such as geography (disaster management), geology (environmental and urban geology) and geotechnical engineering, has led to a wide diversity of perspectives. We describe the diversity of geohazard classification and discuss how geohazards should be best viewed in the context of risk (the potential for undesirable consequences). Attention is drawn to the way in which geohazards are addressed in current guidance, notably IAEG C25 and Eurocode 7. In conclusion, we present the key points underpinning the concept of a geohazard. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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39. Integration of spatial and single-cell transcriptomic data elucidates mouse organogenesis
- Author
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Lohoff, T., Ghazanfar, S., Missarova, A., Koulena, N., Pierson, N., Griffiths, J. A., Bardot, E. S., Eng, C.-H. L., Tyser, R. C. V., Argelaguet, R., Guibentif, C., Srinivas, S., Briscoe, J., Simons, B. D., Hadjantonakis, A.-K., Göttgens, B., Reik, W., Nichols, J., Cai, L., and Marioni, J. C.
- Published
- 2022
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40. Rule-based epidemic models
- Author
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Waites, W., Cavaliere, M., Manheim, D., Panovska-Griffiths, J., and Danos, V.
- Published
- 2021
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41. Remote magnetic navigation for catheter ablation of complex arrhythmias in congenital heart disease: an initial experience using a transnational telerobotic approach
- Author
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Griffiths, J, primary, Shi, R, additional, Ailoaei, S, additional, Wright, P, additional, Hunnybun, D, additional, O'connor, M, additional, Kempny, A, additional, Vlachou, C, additional, Pickworth, T, additional, Keogh, B, additional, and Wong, T, additional
- Published
- 2024
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42. A STUDY OF LOW FREQUENCY SOUND FROM POP CONCERTS
- Author
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GRIFFITHS, J, primary, STAUNTON, J, additional, and KAMATH, SS, additional
- Published
- 2024
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43. A study of the optical and polarisation properties of InGaN/GaN multiple quantum wells grown on a-plane and m-plane GaN substrates
- Author
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Kundys, D., Sutherland, D., Davies, M., Oehler, F., Griffiths, J., Dawson, P., Kappers, M. J., Humphreys, C. J., Schulz, S., Tang, F., and Oliver, R. A.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics ,Physics - Optics - Abstract
In this paper we report on a comparative study of the low temperature emission and polarisation properties of InGaN/GaN quantum wells (QWs) grown on nonpolar a-plane and m-plane free-standing bulk GaN substrates where the In content varied from 0.14 to 0.28 in the m-plane series and 0.08 to 0.21 for the a-plane series. The low temperature photoluminescence spectra from both sets of samples are very broad with full width at half-maximum height increasing from 81 to 330 meV as the In fraction increases. Comparative photoluminescence excitation spectroscopy indicates that the recombination mainly involves strongly localised carriers. At a temperature of 10 K the degree of linear polarisation of the a-plane samples is much smaller than of the m-plane counterparts and also varies across the spectrum. From polarisation-resolved photoluminescence excitation spectroscopy we measured the energy splitting between the lowest valence sub-band states to lie in the range of 23-54 meV for both a-and m-plane samples in which we could observe distinct exciton features in the polarised photoluminescence excitation spectroscopy. Thus, the thermal occupation of a higher valence subband cannot be responsible for the reduction of the degree of linear polarisation. Time-resolved spectroscopy indicates that in a-plane samples there is an extra emission component which at least partly responsible for the reduction in the degree of linear polarisation., Comment: 9 pages 7 figures
- Published
- 2016
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44. Ultrafast Voltage Sampling using Single-Electron Wavepackets
- Author
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Johnson, N., Fletcher, J. D., Humphreys, D. A., See, P., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Pepper, M., Janssen, T. J. B. M, and Kataoka, M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We demonstrate an ultrafast voltage sampling technique using a stream of electron wavepackets. Electrons are emitted from a single-electron pump and travel through electron waveguides towards a detector potential barrier. Our electrons sample an instantaneous voltage on the gate upon arrival at the detector barrier. Fast sampling is achieved by minimising the duration that the electrons interact with the barrier, which can be made as small as a few picoseconds. The value of the instantaneous voltage can be determined by varying the gate voltage to match the barrier height to the electron energy, which is used as a stable reference. The test waveform can be reconstructed by shifting the electron arrival time against it. We argue that this method has scope to increase the bandwidth of voltage sampling to 100 GHz and beyond., Comment: 9 pages, 4 figures
- Published
- 2016
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45. Time-of-Flight Measurements of Single-Electron Wave Packets in Quantum-Hall Edge States
- Author
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Kataoka, M., Johnson, N., Emary, C., See, P., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Pepper, M., and Janssen, T. J. B. M.
- Subjects
Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
We report time-of-flight measurements on electrons travelling in quantum-Hall edge states. Hot-electron wave packets are emitted one per cycle into edge states formed along a depleted sample boundary. The electron arrival time is detected by driving a detector barrier with a square wave that acts as a shutter. By adding an extra path using a deflection barrier, we measure a delay in the arrival time, from which the edge-state velocity $v$ is deduced. We find that $v$ follows $1/B$ dependence, in good agreement with the $\vec{E} \times \vec{B}$ drift. The edge potential is estimated from the energy-dependence of $v$ using a harmonic approximation.
- Published
- 2015
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46. Sediment textural characteristics of the Ravenglass Estuary; Development of a method to predict palaeo sub-depositional environments from estuary core samples
- Author
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Simon, N., Worden, R.H., Muhammed, D.D., Utley, J.E.P., Verhagen, I.T.E., Griffiths, J., and Wooldridge, L.J.
- Published
- 2021
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47. Two-particle Bose–Einstein correlations in pps=13 collisions at pps=13 TeV measured with the ATLAS detector at the LHC
- Author
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Aad, G., Abbott, B., Abbott, D. C., Abed Abud, A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S., Abraham, N. L., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Achkar, B., Adachi, S., Adam, L., Adam Bourdarios, C., Adamczyk, L., Adamek, L., Adelman, J., Adersberger, M., Adiguzel, A., Adorni, S., Adye, T., Affolder, A. A., Afik, Y., Agapopoulou, C., Agaras, M. N., Aggarwal, A., Agheorghiesei, C., Aguilar-Saavedra, J. A., Ahmadov, F., Ahmed, W. S., Ai, X., Aielli, G., Akatsuka, S., Åkesson, T. P. A., Akilli, E., Akimov, A. V., Khoury, K. Al, Alberghi, G. L., Albert, J., Alconada Verzini, M. J., Alderweireldt, S., Aleksa, M., Aleksandrov, I. N., Alexa, C., Alexandre, D., Alexopoulos, T., Alfonsi, A., Alhroob, M., Ali, B., Alimonti, G., Alison, J., Alkire, S. P., Allaire, C., Allbrooke, B. M. M., Allen, B. W., Allport, P. P., Aloisio, A., Alonso, A., Alonso, F., Alpigiani, C., Alshehri, A. A., Alvarez Estevez, M., Álvarez Piqueras, D., Alviggi, M. G., Amaral Coutinho, Y., Ambler, A., Ambroz, L., Amelung, C., Amidei, D., Amor Dos Santos, S. P., Amoroso, S., Amrouche, C. S., An, F., Anastopoulos, C., Andari, N., Andeen, T., Anders, C. F., Anders, J. K., Andreazza, A., Andrei, V., Anelli, C. R., Angelidakis, S., Angerami, A., Anisenkov, A. V., Annovi, A., Antel, C., Anthony, M. T., Antonelli, M., Antrim, D. J. A., Anulli, F., Aoki, M., Aparisi Pozo, J. A., Aperio Bella, L., Arabidze, G., Araque, J. P., Araujo Ferraz, V., Araujo Pereira, R., Arcangeletti, C., Arce, A. T. H., Arduh, F. A., Arguin, J.-F., Argyropoulos, S., Arling, J.-H., Armbruster, A. J., Armstrong, A., Arnaez, O., Arnold, H., Artoni, G., Artz, S., Asai, S., Asbah, N. A., Asimakopoulou, E. M., Asquith, L., Assamagan, K., Astalos, R., Atkin, R. J., Atkinson, M., Atlay, N. B., Atmani, H., Augsten, K., Avolio, G., Avramidou, R., Ayoub, M. K., Azoulay, A. M., Azuelos, G., Baca, M. J., Bachacou, H., Bachas, K., Backes, M., Backman, F., Bagnaia, P., Bahrasemani, H., Bailey, A. J., Bailey, V. R., Baines, J. T., Bajic, M., Bakalis, C., Baker, O. K., Bakker, P. J., Bakshi Gupta, D., Balaji, S., Baldin, E. M., Balek, P., Balli, F., Balunas, W. K., Balz, J., Banas, E., Bandyopadhyay, A., Banerjee, Sw., Bannoura, A. A. E., Barak, L., Barbe, W. M., Barberio, E. L., Barberis, D., Barbero, M., Barillari, T., Barisits, M.-S., Barkeloo, J., Barklow, T., Barnea, R., Barnes, S. L., Barnett, B. M., Barnett, R. M., Barnovska-Blenessy, Z., Baroncelli, A., Barone, G., Barr, A. J., Barranco Navarro, L., Barreiro, F., Barreiro Guimarães da Costa, J., Barsov, S., Bartoldus, R., Bartolini, G., Barton, A. E., Bartos, P., Basalaev, A., Bassalat, A., Bates, R. L., Batista, S. J., Batlamous, S., Batley, J. R., Batool, B., Battaglia, M., Bauce, M., Bauer, F., Bauer, K. T., Bawa, H. S., Beacham, J. B., Beau, T., Beauchemin, P. H., Becherer, F., Bechtle, P., Beck, H. C., Beck, H. P., Becker, K., Becker, M., Becot, C., Beddall, A., Beddall, A. J., Bednyakov, V. A., Bedognetti, M., Bee, C. P., Beermann, T. A., Begalli, M., Begel, M., Behera, A., Behr, J. K., Beisiegel, F., Bell, A. S., Bella, G., Bellagamba, L., Bellerive, A., Bellos, P., Beloborodov, K., Belotskiy, K., Belyaev, N. L., Benchekroun, D., Benekos, N., Benhammou, Y., Benjamin, D. P., Benoit, M., Bensinger, J. R., Bentvelsen, S., Beresford, L., Beretta, M., Berge, D., Bergeaas Kuutmann, E., Berger, N., Bergmann, B., Bergsten, L. J., Beringer, J., Berlendis, S., Bernard, N. R., Bernardi, G., Bernius, C., Bernlochner, F. U., Berry, T., Berta, P., Bertella, C., Bertram, I. A., Besjes, G. J., Bessidskaia Bylund, O., Besson, N., Bethani, A., Bethke, S., Betti, A., Bevan, A. J., Beyer, J., Bi, R., Bianchi, R. M., Biebel, O., Biedermann, D., Bielski, R., Bierwagen, K., Biesuz, N. V., Biglietti, M., Billoud, T. R. V., Bindi, M., Bingul, A., Bini, C., Biondi, S., Birman, M., Bisanz, T., Biswal, J. P., Biswas, D., Bitadze, A., Bittrich, C., Bjørke, K., Black, K. M., Blazek, T., Bloch, I., Blocker, C., Blue, A., Blumenschein, U., Bobbink, G. J., Bobrovnikov, V. S., Bocchetta, S. S., Bocci, A., Bogavac, D., Bogdanchikov, A. G., Bohm, C., Boisvert, V., Bokan, P., Bold, T., Boldyrev, A. S., Bolz, A. E., Bomben, M., Bona, M., Bonilla, J. S., Boonekamp, M., Borecka-Bielska, H. M., Borisov, A., Borissov, G., Bortfeldt, J., Bortoletto, D., Bortolotto, V., Boscherini, D., Bosman, M., Bossio Sola, J. D., Bouaouda, K., Boudreau, J., Bouhova-Thacker, E. V., Boumediene, D., Boutle, S. K., Boveia, A., Boyd, J., Boye, D., Boyko, I. R., Bozson, A. J., Bracinik, J., Brahimi, N., Brandt, G., Brandt, O., Braren, F., Brau, B., Brau, J. E., Breaden Madden, W. D., Brendlinger, K., Brenner, L., Brenner, R., Bressler, S., Brickwedde, B., Briglin, D. L., Britton, D., Britzger, D., Brock, I., Brock, R., Brooijmans, G., Brooks, W. K., Brost, E., Broughton, J. H., Bruckman de Renstrom, P. A., Bruncko, D., Bruni, A., Bruni, G., Bruni, L. S., Bruno, S., Brunt, B. H., Bruschi, M., Bruscino, N., Bryant, P., Bryngemark, L., Buanes, T., Buat, Q., Buchholz, P., Buckley, A. G., Budagov, I. A., Bugge, M. K., Bührer, F., Bulekov, O., Burch, T. J., Burdin, S., Burgard, C. D., Burger, A. M., Burghgrave, B., Burr, J. T. P., Burzynski, J. C., Büscher, V., Buschmann, E., Bussey, P. J., Butler, J. M., Buttar, C. M., Butterworth, J. M., Butti, P., Buttinger, W., Buzatu, A., Buzykaev, A. R., Cabras, G., Cabrera Urbán, S., Caforio, D., Cai, H., Cairo, V. M. M., Cakir, O., Calace, N., Calafiura, P., Calandri, A., Calderini, G., Calfayan, P., Callea, G., Caloba, L. P., Calvente Lopez, S., Calvet, D., Calvet, S., Calvet, T. P., Calvetti, M., Camacho Toro, R., Camarda, S., Camarero Munoz, D., Camarri, P., Cameron, D., Caminal Armadans, R., Camincher, C., Campana, S., Campanelli, M., Camplani, A., Campoverde, A., Canale, V., Canesse, A., Cano Bret, M., Cantero, J., Cao, T., Cao, Y., Capeans Garrido, M. D. M., Capua, M., Cardarelli, R., Cardillo, F., Carducci, G., Carli, I., Carli, T., Carlino, G., Carlson, B. T., Carminati, L., Carney, R. M. D., Caron, S., Carquin, E., Carrá, S., Carter, J. W. S., Casado, M. P., Casha, A. F., Casper, D. W., Castelijn, R., Castillo, F. L., Castillo Gimenez, V., Castro, N. F., Catinaccio, A., Catmore, J. R., Cattai, A., Caudron, J., Cavaliere, V., Cavallaro, E., Cavasinni, V., Celebi, E., Cerda Alberich, L., Cerny, K., Cerqueira, A. S., Cerri, A., Cerrito, L., Cerutti, F., Cervelli, A., Cetin, S. A., Chadi, Z., Chakraborty, D., Chan, S. K., Chan, W. S., Chan, W. Y., Chapman, J. D., Chargeishvili, B., Charlton, D. G., Charman, T. P., Chau, C. C., Che, S., Chegwidden, A., Chekanov, S., Chekulaev, S. V., Chelkov, G. A., Chelstowska, M. A., Chen, B., Chen, C., Chen, C. H., Chen, H., Chen, J., Chen, J., Chen, S., Chen, S. J., Chen, X., Chen, Y., Chen, Y.-H., Cheng, H. C., Cheng, H. J., Cheplakov, A., Cheremushkina, E., Cherkaoui El Moursli, R., Cheu, E., Cheung, K., Chevalérias, T. J. A., Chevalier, L., Chiarella, V., Chiarelli, G., Chiodini, G., Chisholm, A. S., Chitan, A., Chiu, I., Chiu, Y. H., Chizhov, M. V., Choi, K., Chomont, A. R., Chouridou, S., Chow, Y. S., Chu, M. C., Chu, X., Chudoba, J., Chuinard, A. J., Chwastowski, J. J., Chytka, L., Ciesla, K. M., Cinca, D., Cindro, V., Cioară, I. A., Ciocio, A., Cirotto, F., Citron, Z. H., Citterio, M., Ciubotaru, D. A., Ciungu, B. M., Clark, A., Clark, M. R., Clark, P. J., Clement, C., Coadou, Y., Cobal, M., Coccaro, A., Cochran, J., Cohen, H., Coimbra, A. E. C., Colasurdo, L., Cole, B., Colijn, A. P., Collot, J., Conde Muiño, P., Coniavitis, E., Connell, S. H., Connelly, I. A., Constantinescu, S., Conventi, F., Cooper-Sarkar, A. M., Cormier, F., Cormier, K. J. R., Corpe, L. D., Corradi, M., Corrigan, E. E., Corriveau, F., Costa, M. J., Costanza, F., Costanzo, D., Cowan, G., Cowley, J. W., Crane, J., Cranmer, K., Crawley, S. J., Creager, R. A., Crépé-Renaudin, S., Crescioli, F., Cristinziani, M., Croft, V., Crosetti, G., Cueto, A., Cuhadar Donszelmann, T., Cukierman, A. R., Czekierda, S., Czodrowski, P., Da Cunha Sargedas De Sousa, M. J., Da Fonseca Pinto, J. V., Da Via, C., Dabrowski, W., Dado, T., Dahbi, S., Dai, T., Dallapiccola, C., Dam, M., D’amen, G., D’Amico, V., Damp, J., Dandoy, J. R., Daneri, M. F., Dang, N. P., Dann, N. S., Danninger, M., Dao, V., Darbo, G., Dartsi, O., Dattagupta, A., Daubney, T., D’Auria, S., Davey, W., David, C., Davidek, T., Davis, D. R., Dawson, I., De, K., De Asmundis, R., De Beurs, M., De Castro, S., De Cecco, S., De Groot, N., de Jong, P., De la Torre, H., De Maria, A., De Pedis, D., De Salvo, A., De Sanctis, U., De Santis, M., De Santo, A., De Vasconcelos Corga, K., De Vivie De Regie, J. B., Debenedetti, C., Dedovich, D. V., Deiana, A. M., Del Gaudio, M., Del Peso, J., Delabat Diaz, Y., Delgove, D., Deliot, F., Delitzsch, C. M., Pietra, M. Della, Volpe, D. Della, Dell’Acqua, A., Dell’Asta, L., Delmastro, M., Delporte, C., Delsart, P. A., DeMarco, D. A., Demers, S., Demichev, M., Demontigny, G., Denisov, S. P., Denysiuk, D., D’Eramo, L., Derendarz, D., Derkaoui, J. E., Derue, F., Dervan, P., Desch, K., Deterre, C., Dette, K., Deutsch, C., Devesa, M. R., Deviveiros, P. O., Dewhurst, A., Dhaliwal, S., Di Bello, F. A., Di Ciaccio, A., Di Ciaccio, L., Di Clemente, W. K., Di Donato, C., Di Girolamo, A., Di Gregorio, G., Di Micco, B., Di Nardo, R., Di Petrillo, K. F., Di Sipio, R., Di Valentino, D., Diaconu, C., Dias, F. A., Dias Do Vale, T., Diaz, M. A., Dickinson, J., Diehl, E. B., Dietrich, J., Díez Cornell, S., Dimitrievska, A., Ding, W., Dingfelder, J., Dittus, F., Djama, F., Djobava, T., Djuvsland, J. I., Do Vale, M. A. B., Dobre, M., Dodsworth, D., Doglioni, C., Dolejsi, J., Dolezal, Z., Donadelli, M., Dong, B., Donini, J., D’onofrio, A., D’Onofrio, M., Dopke, J., Doria, A., Dova, M. T., Doyle, A. T., Drechsler, E., Dreyer, E., Dreyer, T., Drobac, A. S., Duan, Y., Dubinin, F., Dubovsky, M., Dubreuil, A., Duchovni, E., Duckeck, G., Ducourthial, A., Ducu, O. A., Duda, D., Dudarev, A., Dudder, A. C., Duffield, E. M., Duflot, L., Dührssen, M., Dülsen, C., Dumancic, M., Dumitriu, A. E., Duncan, A. K., Dunford, M., Duperrin, A., Duran Yildiz, H., Düren, M., Durglishvili, A., Duschinger, D., Dutta, B., Duvnjak, D., Dwyer, B. L., Dyckes, G. I., Dyndal, M., Dysch, S., Dziedzic, B. S., Ecker, K. M., Edgar, R. C., Eggleston, M. G., Eifert, T., Eigen, G., Einsweiler, K., Ekelof, T., El Jarrari, H., El Kacimi, M., El Kosseifi, R., Ellajosyula, V., Ellert, M., Ellinghaus, F., Elliot, A. A., Ellis, N., Elmsheuser, J., Elsing, M., Emeliyanov, D., Emerman, A., Enari, Y., Epland, M. B., Erdmann, J., Ereditato, A., Errenst, M., Escalier, M., Escobar, C., Estrada Pastor, O., Etzion, E., Evans, H., Ezhilov, A., Fabbri, F., Fabbri, L., Fabiani, V., Facini, G., Faisca Rodrigues Pereira, R. M., Fakhrutdinov, R. M., Falciano, S., Falke, P. J., Falke, S., Faltova, J., Fang, Y., Fang, Y., Fanourakis, G., Fanti, M., Faraj, M., Farbin, A., Farilla, A., Farina, E. M., Farooque, T., Farrell, S., Farrington, S. M., Farthouat, P., Fassi, F., Fassnacht, P., Fassouliotis, D., Giannelli, M. Faucci, Fawcett, W. J., Fayard, L., Fedin, O. L., Fedorko, W., Feickert, M., Feigl, S., Feligioni, L., Fell, A., Feng, C., Feng, E. J., Feng, M., Fenton, M. J., Fenyuk, A. B., Ferrando, J., Ferrante, A., Ferrari, A., Ferrari, P., Ferrari, R., Ferreira de Lima, D. E., Ferrer, A., Ferrere, D., Ferretti, C., Fiedler, F., Filipčič, A., Filthaut, F., Finelli, K. D., Fiolhais, M. C. N., Fiorini, L., Fischer, F., Fisher, W. C., Fleck, I., Fleischmann, P., Fletcher, R. R. M., Flick, T., Flierl, B. M., Flores, L., Flores Castillo, L. R., Follega, F. M., Fomin, N., Foo, J. H., Forcolin, G. T., Formica, A., Förster, F. A., Forti, A. C., Foster, A. G., Foti, M. G., Fournier, D., Fox, H., Francavilla, P., Francescato, S., Franchini, M., Franchino, S., Francis, D., Franconi, L., Franklin, M., Fray, A. N., Freund, B., Freund, W. S., Freundlich, E. M., Frizzell, D. C., Froidevaux, D., Frost, J. A., Fukunaga, C., Fullana Torregrosa, E., Fumagalli, E., Fusayasu, T., Fuster, J., Gabrielli, A., Gabrielli, A., Gach, G. P., Gadatsch, S., Gadow, P., Gagliardi, G., Gagnon, L. G., Galea, C., Galhardo, B., Gallardo, G. E., Gallas, E. J., Gallop, B. J., Galster, G., Gamboa Goni, R., Gan, K. K., Ganguly, S., Gao, J., Gao, Y., Gao, Y. S., García, C., García Navarro, J. E., García Pascual, J. A., Garcia-Argos, C., Garcia-Sciveres, M., Gardner, R. W., Gargiulo, S., Garonne, V., Gaudiello, A., Gaudio, G., Gavrilenko, I. L., Gavrilyuk, A., Gay, C., Gaycken, G., Gazis, E. N., Geanta, A. A., Gee, C. N. P., Geisen, J., Geisen, M., Geisler, M. P., Gemme, C., Genest, M. H., Geng, C., Gentile, S., George, S., Geralis, T., Gerlach, L. O., Gessinger-Befurt, P., Gessner, G., Ghasemi, S., Bostanabad, M. Ghasemi, Ghosh, A., Ghosh, A., Giacobbe, B., Giagu, S., Giangiacomi, N., Giannetti, P., Giannini, A., Giannini, G., Gibson, S. M., Gignac, M., Gillberg, D., Gilles, G., Gingrich, D. M., Giordani, M. P., Giorgi, F. M., Giraud, P. F., Giugliarelli, G., Giugni, D., Giuli, F., Gkaitatzis, S., Gkialas, I., Gkougkousis, E. L., Gkountoumis, P., Gladilin, L. K., Glasman, C., Glatzer, J., Glaysher, P. C. F., Glazov, A., Goblirsch-Kolb, M., Goldfarb, S., Golling, T., Golubkov, D., Gomes, A., Gama, R. Goncalves, Gonçalo, R., Gonella, G., Gonella, L., Gongadze, A., Gonnella, F., Gonski, J. L., González de la Hoz, S., Gonzalez-Sevilla, S., Rodriguez, G. R. Gonzalvo, Goossens, L., Gorbounov, P. A., Gordon, H. A., Gorini, B., Gorini, E., Gorišek, A., Goshaw, A. T., Gostkin, M. I., Gottardo, C. A., Gouighri, M., Goujdami, D., Goussiou, A. G., Govender, N., Goy, C., Gozani, E., Grabowska-Bold, I., Graham, E. C., Gramling, J., Gramstad, E., Grancagnolo, S., Grandi, M., Gratchev, V., Gravila, P. M., Gravili, F. G., Gray, C., Gray, H. M., Grefe, C., Gregersen, K., Gregor, I. M., Grenier, P., Grevtsov, K., Grieco, C., Grieser, N. A., Griffiths, J., Grillo, A. A., Grimm, K., Grinstein, S., Grivaz, J.-F., Groh, S., Gross, E., Grosse-Knetter, J., Grout, Z. J., Grud, C., Grummer, A., Guan, L., Guan, W., Guenther, J., Guerguichon, A., Guerrero Rojas, J. G. R., Guescini, F., Guest, D., Gugel, R., Guillemin, T., Guindon, S., Gul, U., Guo, J., Guo, W., Guo, Y., Guo, Z., Gupta, R., Gurbuz, S., Gustavino, G., Gutierrez, P., Gutschow, C., Guyot, C., Gwenlan, C., Gwilliam, C. B., Haas, A., Haber, C., Hadavand, H. K., Haddad, N., Hadef, A., Hageböck, S., Hagihara, M., Haleem, M., Haley, J., Halladjian, G., Hallewell, G. D., Hamacher, K., Hamal, P., Hamano, K., Hamdaoui, H., Hamity, G. N., Han, K., Han, L., Han, S., Hanagaki, K., Hance, M., Handl, D. M., Haney, B., Hankache, R., Hansen, E., Hansen, J. B., Hansen, J. D., Hansen, M. C., Hansen, P. H., Hanson, E. C., Hara, K., Hard, A. S., Harenberg, T., Harkusha, S., Harrison, P. F., Hartmann, N. M., Hasegawa, Y., Hasib, A., Hassani, S., Haug, S., Hauser, R., Havener, L. B., Havranek, M., Hawkes, C. M., Hawkings, R. J., Hayden, D., Hayes, C., Hayes, R. L., Hays, C. P., Hays, J. M., Hayward, H. S., Haywood, S. J., He, F., Heath, M. P., Hedberg, V., Heelan, L., Heer, S., Heidegger, K. K., Heidorn, W. D., Heilman, J., Heim, S., Heim, T., Heinemann, B., Heinrich, J. J., Heinrich, L., Heinz, C., Hejbal, J., Helary, L., Held, A., Hellesund, S., Helling, C. M., Hellman, S., Helsens, C., Henderson, R. C. W., Heng, Y., Henkelmann, S., Correia, A. M. Henriques, Herbert, G. H., Herde, H., Herget, V., Hernández Jiménez, Y., Herr, H., Herrmann, M. G., Herrmann, T., Herten, G., Hertenberger, R., Hervas, L., Herwig, T. C., Hesketh, G. G., Hessey, N. P., Higashida, A., Higashino, S., Higón-Rodriguez, E., Hildebrand, K., Hill, J. C., Hill, K. K., Hiller, K. H., Hillier, S. J., Hils, M., Hinchliffe, I., Hinterkeuser, F., Hirose, M., Hirose, S., Hirschbuehl, D., Hiti, B., Hladik, O., Hlaluku, D. R., Hoad, X., Hobbs, J., Hod, N., Hodgkinson, M. C., Hoecker, A., Hoenig, F., Hohn, D., Hohov, D., Holmes, T. R., Holzbock, M., Hommels, L. B. A. H., Honda, S., Honda, T., Hong, T. M., Hönle, A., Hooberman, B. H., Hopkins, W. H., Horii, Y., Horn, P., Horyn, L. A., Hostiuc, A., Hou, S., Hoummada, A., Howarth, J., Hoya, J., Hrabovsky, M., Hrdinka, J., Hristova, I., Hrivnac, J., Hrynevich, A., Hryn’ova, T., Hsu, P. J., Hsu, S.-C., Hu, Q., Hu, S., Huang, D. P., Huang, Y., Hubacek, Z., Hubaut, F., Huebner, M., Huegging, F., Huffman, T. B., Huhtinen, M., Hunter, R. F. H., Huo, P., Hupe, A. M., Huseynov, N., Huston, J., Huth, J., Hyneman, R., Hyrych, S., Iacobucci, G., Iakovidis, G., Ibragimov, I., Iconomidou-Fayard, L., Idrissi, Z., Iengo, P., Ignazzi, R., Igonkina, O., Iguchi, R., Iizawa, T., Ikegami, Y., Ikeno, M., Iliadis, D., Ilic, N., Iltzsche, F., Introzzi, G., Iodice, M., Iordanidou, K., Ippolito, V., Isacson, M. F., Ishino, M., Ishitsuka, M., Islam, W., Issever, C., Istin, S., Ito, F., Iturbe Ponce, J. M., Iuppa, R., Ivina, A., Iwasaki, H., Izen, J. M., Izzo, V., Jacka, P., Jackson, P., Jacobs, R. M., Jaeger, B. P., Jain, V., Jäkel, G., Jakobi, K. B., Jakobs, K., Jakobsen, S., Jakoubek, T., Jamieson, J., Janas, K. W., Jansky, R., Janssen, J., Janus, M., Janus, P. A., Jarlskog, G., Javadov, N., Javůrek, T., Javurkova, M., Jeanneau, F., Jeanty, L., Jejelava, J., Jelinskas, A., Jenni, P., Jeong, J., Jeong, N., Jézéquel, S., Ji, H., Jia, J., Jiang, H., Jiang, Y., Jiang, Z., Jiggins, S., Jimenez Morales, F. A., Jimenez Pena, J., Jin, S., Jinaru, A., Jinnouchi, O., Jivan, H., Johansson, P., Johns, K. A., Johnson, C. A., Jones, R. W. L., Jones, S. D., Jones, S., Jones, T. J., Jongmanns, J., Jorge, P. M., Jovicevic, J., Ju, X., Junggeburth, J. J., Rozas, A. Juste, Kaczmarska, A., Kado, M., Kagan, H., Kagan, M., Kahra, C., Kaji, T., Kajomovitz, E., Kalderon, C. W., Kaluza, A., Kamenshchikov, A., Kanjir, L., Kano, Y., Kantserov, V. A., Kanzaki, J., Kaplan, L. S., Kar, D., Kareem, M. J., Karpov, S. N., Karpova, Z. M., Kartvelishvili, V., Karyukhin, A. N., Kashif, L., Kass, R. D., Kastanas, A., Kataoka, Y., Kato, C., Katzy, J., Kawade, K., Kawagoe, K., Kawaguchi, T., Kawamoto, T., Kawamura, G., Kay, E. 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- Published
- 2022
- Full Text
- View/download PDF
48. Más allá de la destreza y el virtuosismo
- Author
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Griffiths, J and Griffiths, J
- Abstract
A commentary on the music performed by Vera Danilina in the recital performed in conjunction with winning the 2022 Pittaluga Prize
- Published
- 2024
49. Propuestas pedagógicas e interdisciplinares sobre el análisis y la teoría musical
- Author
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Cuenca Rodríguez, ME, Ríos Muñoz, MA, Ruiz Montes, F, Griffiths, J, Cuenca Rodríguez, ME, Ríos Muñoz, MA, Ruiz Montes, F, and Griffiths, J
- Abstract
El presente libro es el fruto de numerosas investigaciones sobre las disciplinas del análisis y la teoría musical, áreas de conocimiento que se complementan y se retroalimentan, ya que el análisis musical se basa en la teoría musical para fundamentar sus criterios y métodos, y la teoría musical se nutre del análisis musical para ampliar y revisar sus conceptos y categorías. Las dos disciplinas constituyen herramientas esenciales tanto en el ámbito académico como en el investigador, para el desarrollo de la educación musical, la creación artística, la psicología de la música, la interpretación y otras áreas afines. Este libro no solo ofrece diferentes perspectivas y propuestas analíticas desde el punto de vista didáctico para todos los lectores, sino que también representa una llamada a la acción para impulsar las investigaciones sobre análisis y teoría musical desde diferentes metodologías innovadoras. Estas servirán para abarcar un prisma cada vez más amplio de planteamientos distintos acerca del objeto musical y que responda cada vez más preguntas más amplias, críticas y ambiciosas de los investigadores sobre cualquier tipo de objeto de estudio relacionado con la música.
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- 2024
50. Keyboard Tablatures and Imaginary Instrumental Interchange in the Sixteenth Century
- Author
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Campagne,, A, Grassl,, M, Griffiths, J, Campagne,, A, Grassl,, M, and Griffiths, J
- Abstract
The invention and widespread dissemination of music in tablature was one of the great novelties and a key factor in the proliferation of solo instrumental music during the sixteenth century. An alternative to mensural notation, tablature offered systems of writing music better suited to polyphonic instruments, particularly keyboards and plucked strings such as lute, guitar, and vihuela. Tablatures emerged in a variety of forms that used the letters, numbers and conventional mensural symbols, and many aspects were shared between the notations devised for keyboards and plucked strings. Although we recognise specific idiomatic styles associated with individual instrument types, there is also a significant amount of music that shares common features and that can be performed on diverse instruments. This was recognised by Spanish musicians such as Luis Venegas de Henestrosa whose tablature published in 1557 was advertised as being for ‘tecla, harpa y vihuela’. This paper explores the idea of interchangeability associated with such tablatures, and a range of issues extending from the particularities of the Venegas book and its emulation by Cabezón in 1578, beyond national borders to consider the nature of tablature across notation styles, and instrumental practice in distinct regions of Europe.
- Published
- 2024
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