31 results on '"Witek, H"'
Search Results
2. Transport of bare and capped zinc oxide nanoparticles is dependent on porous medium composition
- Author
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Kurlanda-Witek, H., Ngwenya, B.T., and Butler, I.B.
- Published
- 2014
- Full Text
- View/download PDF
3. Dynamical scalarization and descalarization in binary black hole mergers
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Silva, H., Witek, H., Elley, M., and Yunes, N.
- Subjects
General Relativity and Quantum Cosmology ,Astrophysics::High Energy Astrophysical Phenomena - Abstract
Scalar fields coupled to the Gauss-Bonnet invariant can undergo a tachyonic instability, leading to spontaneous scalarization of black holes. Studies of this effect have so far been restricted to single black hole spacetimes. We present the first results on dynamical scalarization in head-on collisions and quasi-circular inspirals of black hole binaries with numerical relativity simulations. We show that black hole binaries can either form a scalarized remnant or dynamically descalarize by shedding off its initial scalar hair. The observational implications of these finding are discussed.
- Published
- 2021
4. Black holes, gravitational waves and fundamental physics: A roadmap
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Barack, L. Cardoso, V. Nissanke, S. Sotiriou, T.P. Askar, A. Belczynski, C. Bertone, G. Bon, E. Blas, D. Brito, R. Bulik, T. Burrage, C. Byrnes, C.T. Caprini, C. Chernyakova, M. Chruściel, P. Colpi, M. Ferrari, V. Gaggero, D. Gair, J. García-Bellido, J. Hassan, S.F. Heisenberg, L. Hendry, M. Heng, I.S. Herdeiro, C. Hinderer, T. Horesh, A. Kavanagh, B.J. Kocsis, B. Kramer, M. Le Tiec, A. Mingarelli, C. Nardini, G. Nelemans, G. Palenzuela, C. Pani, P. Perego, A. Porter, E.K. Rossi, E.M. Schmidt, P. Sesana, A. Sperhake, U. Stamerra, A. Stein, L.C. Tamanini, N. Tauris, T.M. Urena-López, L.A. Vincent, F. Volonteri, M. Wardell, B. Wex, N. Yagi, K. Abdelsalhin, T. Aloy, M.Á. Amaro-Seoane, P. Annulli, L. Arca-Sedda, M. Bah, I. Barausse, E. Barakovic, E. Benkel, R. Bennett, C.L. Bernard, L. Bernuzzi, S. Berry, C.P.L. Berti, E. Bezares, M. Blanco-Pillado, J.J. Blázquez-Salcedo, J.L. Bonetti, M. Bošković, M. Bosnjak, Z. Bricman, K. Brügmann, B. Capelo, P.R. Carloni, S. Cerdá-Durán, P. Charmousis, C. Chaty, S. Clerici, A. Coates, A. Colleoni, M. Collodel, L.G. Compère, G. Cook, W. Cordero-Carrión, I. Correia, M. De La Cruz-Dombriz, Á. Czinner, V.G. Destounis, K. Dialektopoulos, K. Doneva, D. Dotti, M. Drew, A. Eckner, C. Edholm, J. Emparan, R. Erdem, R. Ferreira, M. Ferreira, P.G. Finch, A. Font, J.A. Franchini, N. Fransen, K. Gal'tsov, D. Ganguly, A. Gerosa, D. Glampedakis, K. Gomboc, A. Goobar, A. Gualtieri, L. Guendelman, E. Haardt, F. Harmark, T. Hejda, F. Hertog, T. Hopper, S. Husa, S. Ihanec, N. Ikeda, T. Jaodand, A. Jetzer, P. Jimenez-Forteza, X. Kamionkowski, M. Kaplan, D.E. Kazantzidis, S. Kimura, M. Kobayashi, S. Kokkotas, K. Krolik, J. Kunz, J. Lämmerzahl, C. Lasky, P. Lemos, J.P.S. Levi Said, J. Liberati, S. Lopes, J. Luna, R. Ma, Y.-Z. Maggio, E. Mangiagli, A. Montero, M.M. Maselli, A. Mayer, L. Mazumdar, A. Messenger, C. Ménard, B. Minamitsuji, M. Moore, C.J. Mota, D. Nampalliwar, S. Nerozzi, A. Nichols, D. Nissimov, E. Obergaulinger, M. Obers, N.A. Oliveri, R. Pappas, G. Pasic, V. Peiris, H. Petrushevska, T. Pollney, D. Pratten, G. Rakic, N. Racz, I. Radia, M. Ramazanoǧlu, F.M. Ramos-Buades, A. Raposo, G. Rogatko, M. Rosca-Mead, R. Rosinska, D. Rosswog, S. Ruiz-Morales, E. Sakellariadou, M. Sanchis-Gual, N. Sharan Salafia, O. Samajdar, A. Sintes, A. Smole, M. Sopuerta, C. Souza-Lima, R. Stalevski, M. Stergioulas, N. Stevens, C. Tamfal, T. Torres-Forné, A. Tsygankov, S. İ Ünlütürk, Ki. Valiante, R. Van De Meent, M. Velhinho, J. Verbin, Y. Vercnocke, B. Vernieri, D. Vicente, R. Vitagliano, V. Weltman, A. Whiting, B. Williamson, A. Witek, H. Wojnar, A. Yakut, K. Yan, H. Yazadjiev, S. Zaharijas, G. Zilhão, M.
- Subjects
General Relativity and Quantum Cosmology - Abstract
The grand challenges of contemporary fundamental physics-dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem-all involve gravity as a key component. And of all gravitational phenomena, black holes stand out in their elegant simplicity, while harbouring some of the most remarkable predictions of General Relativity: event horizons, singularities and ergoregions. The hitherto invisible landscape of the gravitational Universe is being unveiled before our eyes: the historical direct detection of gravitational waves by the LIGO-Virgo collaboration marks the dawn of a new era of scientific exploration. Gravitational-wave astronomy will allow us to test models of black hole formation, growth and evolution, as well as models of gravitational-wave generation and propagation. It will provide evidence for event horizons and ergoregions, test the theory of General Relativity itself, and may reveal the existence of new fundamental fields. The synthesis of these results has the potential to radically reshape our understanding of the cosmos and of the laws of Nature. The purpose of this work is to present a concise, yet comprehensive overview of the state of the art in the relevant fields of research, summarize important open problems, and lay out a roadmap for future progress. This write-up is an initiative taken within the framework of the European Action on 'Black holes, Gravitational waves and Fundamental Physics'. © 2019 IOP Publishing Ltd.
- Published
- 2019
5. Numerical relativity in higher-dimensional space-times
- Author
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Witek, H
- Subjects
General Relativity and Quantum Cosmology ,Numerical relativity ,Astrophysics::High Energy Astrophysical Phenomena ,higher dimensions ,black holes - Abstract
Black holes are among the most exciting phenomena predicted by General Relativity and play a key role in fundamental physics. Many interesting phenomena involve dynamical black hole configurations in the high curvature regime of gravity. In these lecture notes I will summarize the main numerical relativity techniques to explore highly dynamical phenomena, such as black hole collisions, in generic D-dimensional space–times. The present notes are based on my lectures given at the NR/HEP2 spring school at IST/Lisbon (Portugal) from March 11–14, 2013.
- Published
- 2018
- Full Text
- View/download PDF
6. Quantum chemical modeling of electrochromism of tungsten oxide films.
- Author
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Broclawik, E., Góra, A., Liguzinski, P., Petelenz, P., and Witek, H. A.
- Subjects
QUANTUM chemistry ,CHROMIUM group ,TUNGSTEN oxides ,THIN films ,PARTICLES (Nuclear physics) ,ELECTRONIC structure ,PHYSICS - Abstract
A cluster model is proposed to describe the excitations in solid tungsten oxide. The density-functional theory approach is used to calculate the ground-state electronic structure of the model cluster and its optimum geometry; subsequently, time-dependent density-functional theory calculations are performed to obtain the oscillator strengths and energies of the excited states. The results are reported both for the electrically neutral cluster and for the cluster with an extra electron (mimicking the effect of electron injection from the cathode). They correctly locate the electrochemically active transition. The corresponding wave functions are delocalized, suggesting that electron localization at one tungsten center is rather unlikely, thereby shedding doubt as to the validity of the polaron model. Local lattice distortions presumably created at the stage of sample preparation are found to affect the excitation energies to a considerable extent, which explains the experimentally observable large width of optical absorption responsible for electrochromism. [ABSTRACT FROM AUTHOR]
- Published
- 2006
- Full Text
- View/download PDF
7. Structure of ice multilayers on metals.
- Author
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Witek, H. and Buch, V.
- Subjects
- *
ICE , *MULTILAYERED thin films - Abstract
Presents simulations of model ice adsorbate layers on metals in the coverage range of 2-4 bilayers. Investigation of the decay mechanism of ferroelectricity imposed by bonding of the first bilayer to the metal; Influence of first bilayer flattening on the adsorbate structure.
- Published
- 1999
- Full Text
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8. A two-step metal organic vapor phase epitaxy growth method for high-quality ZnO on GaN/Al2O3 (0001)
- Author
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Dadgar, A., primary, Oleynik, N., additional, Forster, D., additional, Deiter, S., additional, Witek, H., additional, Bläsing, J., additional, Bertram, F., additional, Krtschil, A., additional, Diez, A., additional, Christen, J., additional, and Krost, A., additional
- Published
- 2004
- Full Text
- View/download PDF
9. Black holes in a box
- Author
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Witek, H., Vitor Cardoso, Herdeiro, C., Nerozzi, A., Sperhake, U., and Zilhão, M.
10. Photacoustic Fourier Transform Infrared (FTIR) Spectroscopy
- Author
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Krishnan, K., primary, Hill, S. L., additional, Witek, H., additional, and Knecht, J., additional
- Published
- 1981
- Full Text
- View/download PDF
11. Comparative Study Of High Pressure Liquid Chromatography/Fourier Transform Infrared (HPLC/FTIR) Techniques
- Author
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Brown, R. H., primary, Knecht, J., additional, and Witek, H., additional
- Published
- 1981
- Full Text
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12. Diffuse Reflectance Measurements Using Fourier Transform Infrared (FTIR) Spectroscopy
- Author
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Witek, H., primary, Krishnan, K., additional, Hill, S. L., additional, and Matsumoto, H., additional
- Published
- 1981
- Full Text
- View/download PDF
13. ChemInform Abstract: AROMATICITY AND TAUTOMERISM. VI. APPLICATION OF PSEUDO BASE EQUILIBRIA IN RESONANCE ENERGY DETERMINATIONS
- Author
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COOK, M. J., primary, KATRITZKY, A. R., additional, PAGE, A. D., additional, TACK, R. D., additional, and WITEK, H., additional
- Published
- 1976
- Full Text
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14. Prospects for Fundamental Physics with LISA
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Barausse, Enrico, Berti, Emanuele, Hertog, Thomas, Hughes, Scott A., Jetzer, Philippe, Pani, Paolo, Sotiriou, Thomas P., Tamanini, Nicola, Witek, Helvi, Yagi, Kent, Yunes, Nicolás, Abdelsalhin, T., Achucarro, A., Aelst, K.V., Afshordi, N., Akcay, S., Annulli, L., Arun, K.G., Avendano, A.C., Ayuso, I., Baibhav, V., Baker, T., Bantilan, H., Barreiro, T., Barrera-Hinojosa, C., Bartolo, N., Baumann, D., Belgacem, E., Bellini, E., Bellomo, N., Ben-Dayan, I., Bena, I., Benkel, R., Bergshoefs, E., Bernard, L., Bernuzzi, S., Bertacca, D., Besancon, M., Beutler, F., Beyer, F., Bhagwat, S., Bicak, J., Biondini, S., Bize, S., Blas, D., Boehmer, C., Boller, K., Bonga, B., Bonvin, C., Bosso, P., Bozzola, G., Brax, P., Breitbach, M., Brito, R., Bruni, M., Brügmann, B., Bulten, H., Buonanno, A., Burke, A.O., Burko, L.M., Burrage, C., Cabral, F., Calcagni, G., Caprini, C., Cárdenas-Avendaño, A., Celoria, M., Chatziioannou, K., Chernoff, D., Clough, K., Coates, A., Comelli, D., Compère, G., Croon, D., Cruces, D., Cusin, G., Dalang, C., Danielsson, U., Das, S., Datta, S., De Boer, J., De Luca, V., De Rham, C., Desjacques, V., Destounis, K., Di Filippo, F., Dima, A., Dimastrogiovanni, E., Dolan, S., Doneva, D., Duque, F., Durrer, R., East, W., Easther, R., Elley, M., Ellis, J.R., Emparan, R., Ezquiaga, J.M., Fairbairn, M., Fairhurst, S., Farmer, H.F., Fasiello, M.R., Ferrari, V., Ferreira, P.G., Ficarra, G., Figueras, P., Fisenko, S., Foffa, S., Franchini, N., Franciolini, G., Fransen, K., Frauendiener, J., Frusciante, N., Fujita, R., Gair, J., Ganz, A., Garcia, P., Garcia-Bellido, J., Garriga, J., Geiger, R., Geng, C., Gergely, L.Á., Germani, C., Gerosa, D., Giddings, S.B., Gourgoulhon, E., Grandclement, P., Graziani, L., Gualtieri, L., Haggard, D., Haino, S., Halburd, R., Han, W.-B., Hawken, A.J., Hees, A., Heng, I.S., Hennig, J., Herdeiro, C., Hervik, S., Holten, J.v., Hoyle, C.J.D., Hu, Y., Hull, M., Ikeda, T., Isi, M., Jenkins, A., Julié, F., Kajfasz, E., Kalaghatgi, C., Kaloper, N., Kamionkowski, M., Karas, V., Kastha, S., Keresztes, Z., Kidder, L., Kimpson, T., Klein, A., Klioner, S., Kokkotas, K., Kolesova, H., Kolkowitz, S., Kopp, J., Koyama, K., Krishnendu, N.V., Kroon, J.A.V., Kunz, M., Lahav, O., Landragin, A., Lang, R.N., Le Poncin-Lafitte, C., Lemos, J., Li, B., Liberati, S., Liguori, M., Lin, F., Liu, G., Lobo, F.S.N., Loll, R., Lombriser, L., Lovelace, G., Macedo, R.P., Madge, E., Maggio, E., Maggiore, M., Marassi, S., Marcoccia, P., Markakis, C., Martens, W., Martinovic, K., Martins, C.J.A.P., Maselli, A., Mastrogiovanni, S., Matarrese, S., Matas, A., Mavromatos, N.E., Mazumdar, A., Meerburg, P.D., Megias, E., Miller, J., Mimoso, J.P., Mittnacht, L., Montero, M.M., Moore, B., Martin-Moruno, P., Musco, I., Nakano, H., Nampalliwar, S., Nardini, G., Nielsen, A., Novák, J., Nunes, N.J., Okounkova, M., Oliveri, R., Oppizzi, F., Orlando, G., Oshita, N., Pappas, G., Paschalidis, V., Peiris, H., Peloso, M., Perkins, S., Pettorino, V., Pikovski, I., Pilo, L., Podolsky, J., Pontzen, A., Prabhat, S., Pratten, G., Prokopec, T., Prouza, M., Qi, H., Raccanelli, A., Rajantie, A., Randall, L., Raposo, G., Raymond, V., Renaux-Petel, S., Ricciardone, A., Riotto, A., Robson, T., Roest, D., Rollo, R., Rosofsky, S., Ruan, J.J., Rubiera-García, D., Ruiz, M., Rusu, M., Sabatie, F., Sago, N., Sakellariadou, M., Saltas, I.D., Sberna, L., Sathyaprakash, B., Scheel, M., Schmidt, P., Schutz, B., Schwaller, P., Shao, L., Shapiro, S.L., Shoemaker, D., Silva, A.D., Simpson, C., Sopuerta, C.F., Spallicci, A., Stefanek, B.A., Stein, L., Stergioulas, N., Stott, M., Sutton, P., Svarc, R., Tagoshi, H., Tahamtan, T., Takeda, H., Tanaka, T., Tantilian, G., Tasinato, G., Tattersall, O., Teukolsky, S., Tiec, A.L., Theureau, G., Trodden, M., Tolley, A., Toubiana, A., Traykova, D., Tsokaros, A., Unal, C., Unnikrishnan, C.S., Vagenas, E.C., Valageas, P., Vallisneri, M., Van Den Brand, J., Van Den Broeck, C., van de Meent, M., Vanhove, P., Varma, V., Veitch, J., Vercnocke, B., Verde, L., Vernieri, D., Vernizzi, F., Vicente, R., Vidotto, F., Visser, M., Vlah, Z., Vretinaris, S., Völkel, S., Wang, Q., Wang, Yu-Tong, Werner, M.C., Westernacher, J., Weygaert, R.v.d., Wiltshire, D., Wiseman, T., Wolf, P., Wu, K., Yamada, K., Yang, H., Yi, L., Yue, X., Yvon, D., Zilhão, M., Zimmerman, A., Zumalacarregui, M., Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Univers et Théories (LUTH (UMR_8102)), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), Institut de Physique Théorique - UMR CNRS 3681 (IPHT), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Systèmes de Référence Temps Espace (SYRTE), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), Observatoire des Sciences de l'Univers en région Centre (OSUC), PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), MESA+ Institute, Laser Physics & Nonlinear Optics, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National d’Études Spatiales [Paris] (CNES), European Commission, Royal Society (UK), National Aeronautics and Space Administration (US), National Science Foundation (US), Alfred P. Sloan Foundation, Science and Technology Facilities Council (UK), Barausse, E., Berti, E., Hertog, T., Hughes, S. A., Jetzer, P., Pani, P., Sotiriou, T. P., Tamanini, N., Witek, H., Yagi, K., Yunes, N., Abdelsalhin, T., Achucarro, A., van Aelst, K., Afshordi, N., Akcay, S., Annulli, L., Arun, K. G., Ayuso, I., Baibhav, V., Baker, T., Bantilan, H., Barreiro, T., Barrera-Hinojosa, C., Bartolo, N., Baumann, D., Belgacem, E., Bellini, E., Bellomo, N., Ben-Dayan, I., Bena, I., Benkel, R., Bergshoefs, E., Bernard, L., Bernuzzi, S., Bertacca, D., Besancon, M., Beutler, F., Beyer, F., Bhagwat, S., Bicak, J., Biondini, S., Bize, S., Blas, D., Boehmer, C., Boller, K., Bonga, B., Bonvin, C., Bosso, P., Bozzola, G., Brax, P., Breitbach, M., Brito, R., Bruni, M., Brugmann, B., Bulten, H., Buonanno, A., Burko, L. M., Burrage, C., Cabral, F., Calcagni, G., Caprini, C., Cardenas-Avendano, A., Celoria, M., Chatziioannou, K., Chernoff, D., Clough, K., Coates, A., Comelli, D., Compere, G., Croon, D., Cruces, D., Cusin, G., Dalang, C., Danielsson, U., Das, S., Datta, S., de Boer, J., De Luca, V., De Rham, C., Desjacques, V., Destounis, K., Filippo, F. D., Dima, A., Dimastrogiovanni, E., Dolan, S., Doneva, D., Duque, F., Durrer, R., East, W., Easther, R., Elley, M., Ellis, J. R., Emparan, R., Ezquiaga, J. M., Fairbairn, M., Fairhurst, S., Farmer, H. F., Fasiello, M. R., Ferrari, V., Ferreira, P. G., Ficarra, G., Figueras, P., Fisenko, S., Foffa, S., Franchini, N., Franciolini, G., Fransen, K., Frauendiener, J., Frusciante, N., Fujita, R., Gair, J., Ganz, A., Garcia, P., Garcia-Bellido, J., Garriga, J., Geiger, R., Geng, C., Gergely, L. A., Germani, C., Gerosa, D., Giddings, S. B., Gourgoulhon, E., Grandclement, P., Graziani, L., Gualtieri, L., Haggard, D., Haino, S., Halburd, R., Han, W. -B., Hawken, A. J., Hees, A., Heng, I. S., Hennig, J., Herdeiro, C., Hervik, S., Holten, J., Hoyle, C. J. D., Hu, Y., Hull, M., Ikeda, T., Isi, M., Jenkins, A., Julie, F., Kajfasz, E., Kalaghatgi, C., Kaloper, N., Kamionkowski, M., Karas, V., Kastha, S., Keresztes, Z., Kidder, L., Kimpson, T., Klein, A., Klioner, S., Kokkotas, K., Kolesova, H., Kolkowitz, S., Kopp, J., Koyama, K., Krishnendu, N. V., Kroon, J. A. V., Kunz, M., Lahav, O., Landragin, A., Lang, R. N., Poncin-Lafitte, C. L., Lemos, J., Li, B., Liberati, S., Liguori, M., Lin, F., Liu, G., Lobo, F. S. N., Loll, R., Lombriser, L., Lovelace, G., Macedo, R. P., Madge, E., Maggio, E., Maggiore, M., Marassi, S., Marcoccia, P., Markakis, C., Martens, W., Martinovic, K., Martins, C. J. A. P., Maselli, A., Mastrogiovanni, S., Matarrese, S., Matas, A., Mavromatos, N. E., Mazumdar, A., Meerburg, P. D., Megias, E., Miller, J., Mimoso, J. P., Mittnacht, L., Montero, M. M., Moore, B., Martin-Moruno, P., Musco, I., Nakano, H., Nampalliwar, S., Nardini, G., Nielsen, A., Novak, J., Nunes, N. J., Okounkova, M., Oliveri, R., Oppizzi, F., Orlando, G., Oshita, N., Pappas, G., Paschalidis, V., Peiris, H., Peloso, M., Perkins, S., Pettorino, V., Pikovski, I., Pilo, L., Podolsky, J., Pontzen, A., Prabhat, S., Pratten, G., Prokopec, T., Prouza, M., Qi, H., Raccanelli, A., Rajantie, A., Randall, L., Raposo, G., Raymond, V., Renaux-Petel, S., Ricciardone, A., Riotto, A., Robson, T., Roest, D., Rollo, R., Rosofsky, S., Ruan, J. J., Rubiera-Garcia, D., Ruiz, M., Rusu, M., Sabatie, F., Sago, N., Sakellariadou, M., Saltas, I. D., Sberna, L., Sathyaprakash, B., Scheel, M., Schmidt, P., Schutz, B., Schwaller, P., Shao, L., Shapiro, S. L., Shoemaker, D., Silva, A., Simpson, C., Sopuerta, C. F., Spallicci, A., Stefanek, B. A., Stein, L., Stergioulas, N., Stott, M., Sutton, P., Svarc, R., Tagoshi, H., Tahamtan, T., Takeda, H., Tanaka, T., Tantilian, G., Tasinato, G., Tattersall, O., Teukolsky, S., Tiec, A. L., Theureau, G., Trodden, M., Tolley, A., Toubiana, A., Traykova, D., Tsokaros, A., Unal, C., Unnikrishnan, C. S., Vagenas, E. C., Valageas, P., Vallisneri, M., Brand, J. V., Broeck, C. V., de Meent, M., Vanhove, P., Varma, V., Veitch, J., Vercnocke, B., Verde, L., Vernieri, D., Vernizzi, F., Vicente, R., Vidotto, F., Visser, M., Vlah, Z., Vretinaris, S., Volkel, S., Wang, Q., Wang, Y. -T., Werner, M. C., Westernacher, J., Weygaert, R., Wiltshire, D., Wiseman, T., Wolf, P., Wu, K., Yamada, K., Yang, H., Yi, L., Yue, X., Yvon, D., Zilhao, M., Zimmerman, A., Zumalacarregui, M., Barausse, E, Berti, E, Hertog, T, Hughes, S, Jetzer, P, Pani, P, Sotiriou, T, Tamanini, N, Witek, H, Yagi, K, Yunes, N, Abdelsalhin, T, Achucarro, A, van Aelst, K, Afshordi, N, Akcay, S, Annulli, L, Arun, K, Ayuso, I, Baibhav, V, Baker, T, Bantilan, H, Barreiro, T, Barrera-Hinojosa, C, Bartolo, N, Baumann, D, Belgacem, E, Bellini, E, Bellomo, N, Ben-Dayan, I, Bena, I, Benkel, R, Bergshoefs, E, Bernard, L, Bernuzzi, S, Bertacca, D, Besancon, M, Beutler, F, Beyer, F, Bhagwat, S, Bicak, J, Biondini, S, Bize, S, Blas, D, Boehmer, C, Boller, K, Bonga, B, Bonvin, C, Bosso, P, Bozzola, G, Brax, P, Breitbach, M, Brito, R, Bruni, M, Brügmann, B, Bulten, H, Buonanno, A, Burko, L, Burrage, C, Cabral, F, Calcagni, G, Caprini, C, Cárdenas-Avendaño, A, Celoria, M, Chatziioannou, K, Chernoff, D, Clough, K, Coates, A, Comelli, D, Compère, G, Croon, D, Cruces, D, Cusin, G, Dalang, C, Danielsson, U, Das, S, Datta, S, de Boer, J, De Luca, V, De Rham, C, Desjacques, V, Destounis, K, Filippo, F, Dima, A, Dimastrogiovanni, E, Dolan, S, Doneva, D, Duque, F, Durrer, R, East, W, Easther, R, Elley, M, Ellis, J, Emparan, R, Ezquiaga, J, Fairbairn, M, Fairhurst, S, Farmer, H, Fasiello, M, Ferrari, V, Ferreira, P, Ficarra, G, Figueras, P, Fisenko, S, Foffa, S, Franchini, N, Franciolini, G, Fransen, K, Frauendiener, J, Frusciante, N, Fujita, R, Gair, J, Ganz, A, Garcia, P, Garcia-Bellido, J, Garriga, J, Geiger, R, Geng, C, Gergely, L, Germani, C, Gerosa, D, Giddings, S, Gourgoulhon, E, Grandclement, P, Graziani, L, Gualtieri, L, Haggard, D, Haino, S, Halburd, R, Han, W, Hawken, A, Hees, A, Heng, I, Hennig, J, Herdeiro, C, Hervik, S, Holten, J, Hoyle, C, Hu, Y, Hull, M, Ikeda, T, Isi, M, Jenkins, A, Julié, F, Kajfasz, E, Kalaghatgi, C, Kaloper, N, Kamionkowski, M, Karas, V, Kastha, S, Keresztes, Z, Kidder, L, Kimpson, T, Klein, A, Klioner, S, Kokkotas, K, Kolesova, H, Kolkowitz, S, Kopp, J, Koyama, K, Krishnendu, N, Kroon, J, Kunz, M, Lahav, O, Landragin, A, Lang, R, Poncin-Lafitte, C, Lemos, J, Li, B, Liberati, S, Liguori, M, Lin, F, Liu, G, Lobo, F, Loll, R, Lombriser, L, Lovelace, G, Macedo, R, Madge, E, Maggio, E, Maggiore, M, Marassi, S, Marcoccia, P, Markakis, C, Martens, W, Martinovic, K, Martins, C, Maselli, A, Mastrogiovanni, S, Matarrese, S, Matas, A, Mavromatos, N, Mazumdar, A, Meerburg, P, Megias, E, Miller, J, Mimoso, J, Mittnacht, L, Montero, M, Moore, B, Martin-Moruno, P, Musco, I, Nakano, H, Nampalliwar, S, Nardini, G, Nielsen, A, Novák, J, Nunes, N, Okounkova, M, Oliveri, R, Oppizzi, F, Orlando, G, Oshita, N, Pappas, G, Paschalidis, V, Peiris, H, Peloso, M, Perkins, S, Pettorino, V, Pikovski, I, Pilo, L, Podolsky, J, Pontzen, A, Prabhat, S, Pratten, G, Prokopec, T, Prouza, M, Qi, H, Raccanelli, A, Rajantie, A, Randall, L, Raposo, G, Raymond, V, Renaux-Petel, S, Ricciardone, A, Riotto, A, Robson, T, Roest, D, Rollo, R, Rosofsky, S, Ruan, J, Rubiera-García, D, Ruiz, M, Rusu, M, Sabatie, F, Sago, N, Sakellariadou, M, Saltas, I, Sberna, L, Sathyaprakash, B, Scheel, M, Schmidt, P, Schutz, B, Schwaller, P, Shao, L, Shapiro, S, Shoemaker, D, Silva, A, Simpson, C, Sopuerta, C, Spallicci, A, Stefanek, B, Stein, L, Stergioulas, N, Stott, M, Sutton, P, Svarc, R, Tagoshi, H, Tahamtan, T, Takeda, H, Tanaka, T, Tantilian, G, Tasinato, G, Tattersall, O, Teukolsky, S, Tiec, A, Theureau, G, Trodden, M, Tolley, A, Toubiana, A, Traykova, D, Tsokaros, A, Unal, C, Unnikrishnan, C, Vagenas, E, Valageas, P, Vallisneri, M, Brand, J, Broeck, C, de Meent, M, Vanhove, P, Varma, V, Veitch, J, Vercnocke, B, Verde, L, Vernieri, D, Vernizzi, F, Vicente, R, Vidotto, F, Visser, M, Vlah, Z, Vretinaris, S, Völkel, S, Wang, Q, Wang, Y, Werner, M, Westernacher, J, Weygaert, R, Wiltshire, D, Wiseman, T, Wolf, P, Wu, K, Yamada, K, Yang, H, Yi, L, Yue, X, Yvon, D, Zilhão, M, Zimmerman, A, Zumalacarregui, M, Van Swinderen Institute for Particle Physics and G, High-Energy Frontier, Cosmic Frontier, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Centre National d’Études Spatiales [Paris] (CNES)
- Subjects
Physics and Astronomy (miscellaneous) ,01 natural sciences ,General Relativity and Quantum Cosmology ,GRAVITATIONAL-WAVES ,Physics, Particles & Fields ,CONSTANT ,Física matemática ,GENERAL-RELATIVITY ,010303 astronomy & astrophysics ,Fundamental physics ,Physics ,0105 Mathematical Physics ,Gravitational waves ,LISA ,General Relativity and Cosmology ,fundamental physics ,Nuclear & Particles Physics ,Variety (cybernetics) ,GAS PILE-UP ,Physical Sciences ,TESTS ,[PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc] ,proposed experiment ,Gravitational wave ,Física-Modelos matemáticos ,gr-qc ,Physics, Multidisciplinary ,FOS: Physical sciences ,Sample (statistics) ,General Relativity and Quantum Cosmology (gr-qc) ,Astronomy & Astrophysics ,Fundamental physic ,1.5 MIGRATION ,Settore FIS/05 - Astronomia e Astrofisica ,GRAVITY ,0201 Astronomical and Space Sciences ,0103 physical sciences ,0206 Quantum Physics ,BLACK-HOLES ,Science & Technology ,OVERFLOW ,010308 nuclear & particles physics ,Principal (computer security) ,22/2 OA procedure ,gravitational radiation ,Data science ,EVOLUTION - Abstract
33 pags., 1 fig., In this paper, which is of programmatic rather than quantitative nature, we aim to further delineate and sharpen the future potential of the LISA mission in the area of fundamental physics. Given the very broad range of topics that might be relevant to LISA,we present here a sample of what we view as particularly promising fundamental physics directions. We organize these directions through a “science-first” approach that allows us to classify how LISA data can inform theoretical physics in a variety of areas. For each of these theoretical physics classes, we identify the sources that are currently expected to provide the principal contribution to our knowledge, and the areas that need further development. The classification presented here should not be thought of as cast in stone, but rather as a fluid framework that is amenable to change with the flow of new insights in theoretical physics., E. Barausse, A. Dima, N. Franchini and S. Völkel acknowledge financial support provided under the European Union’s H2020 ERC Consolidator Grant “GRavity from Astrophysical to Microscopic Scales” Grant agreement No. GRAMS-815673. This work has also been supported by the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant agreement No. 690904. The authors would like to acknowledge financial and networking support by the GWverse COST Action CA16104, “Black holes, gravitational waves and fundamental physics”; the European Research Council Starting Grant DarkGRA-757480 (“Unveiling the dark universe with gravitational waves”) and the Flemish Research Council through the Odysseus Grant G.0011.12. H. Witek acknowledges financial support provided by the Royal Society University Research Fellowship UF160547 and the Royal Society Research Grant RGF\R1\180073. S.A. Hughes’s work on LISA-related science is supported by NASA Grant No. 80NSSC18K1091. E. Berti is supported by NSF Grants No. PHY-1912550 and AST-1841358, NASA ATP Grants No. 17-ATP17-0225 and 19-ATP19-0051, and NSF-XSEDE Grant No. PHY-090003. N.Yunes acknowledges support from NSF grant PHY-1759615, and NASA Grants 80NSSC18K1352. K. Yagi acknowledges support from NSF Award PHY-1806776, a Sloan Foundation Research Fellowship, and the Ed Owens Fund. T. P. Sotiriou acknowledges partial support from the STFC Consolidated Grant No. ST/P000703/1.We would like to thank all of the attendees of the first, inaugural meeting of the Fundamental Physics Research Group in Florence for interesting and stimulating discussions and presentations. We would also like to thank the Galileo Galilei Institute for their hospitality during the organization of this meeting. E. Barausse, A. Dima, N. Franchini and S. Völkel acknowledge financial support provided under the European Union’s H2020 ERC Consolidator Grant “GRavity from Astrophysical to Microscopic Scales” Grant agreement No. GRAMS-815673. This work has also been supported by the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant agreement No. 690904. The authors would like to acknowledge financial and networking support by the GWverse COST Action CA16104, “Black holes, gravitational waves and fundamental physics”; the European Research Council Starting Grant DarkGRA-757480 (“Unveiling the dark universe with gravitational waves”) and the Flemish Research Council through the Odysseus Grant G.0011.12. H. Witek acknowledges financial support provided by the Royal Society University Research Fellowship UF160547 and the Royal Society Research Grant RGF\R1\180073. S.A. Hughes’s work on LISA-related science is supported by NASA Grant No. 80NSSC18K1091. E. Berti is supported by NSF Grants No. PHY-1912550 and AST-1841358, NASA ATP Grants No. 17-ATP17-0225 and 19-ATP19-0051, and NSF-XSEDE Grant No. PHY-090003. N.Yunes acknowledges support from NSF grant PHY-1759615, and NASA Grants 80NSSC18K1352. K. Yagi acknowledges support from NSF Award PHY-1806776, a Sloan Foundation Research Fellowship, and the Ed Owens Fund. T. P. Sotiriou acknowledges partial support from the STFC Consolidated Grant No. ST/P000703/1.
- Published
- 2020
15. New horizons for fundamental physics with LISA
- Author
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K. G. Arun, Enis Belgacem, Robert Benkel, Laura Bernard, Emanuele Berti, Gianfranco Bertone, Marc Besancon, Diego Blas, Christian G. Böhmer, Richard Brito, Gianluca Calcagni, Alejandro Cardenas-Avendaño, Katy Clough, Marco Crisostomi, Valerio De Luca, Daniela Doneva, Stephanie Escoffier, José María Ezquiaga, Pedro G. Ferreira, Pierre Fleury, Stefano Foffa, Gabriele Franciolini, Noemi Frusciante, Juan García-Bellido, Carlos Herdeiro, Thomas Hertog, Tanja Hinderer, Philippe Jetzer, Lucas Lombriser, Elisa Maggio, Michele Maggiore, Michele Mancarella, Andrea Maselli, Sourabh Nampalliwar, David Nichols, Maria Okounkova, Paolo Pani, Vasileios Paschalidis, Alvise Raccanelli, Lisa Randall, Sébastien Renaux-Petel, Antonio Riotto, Milton Ruiz, Alexander Saffer, Mairi Sakellariadou, Ippocratis D. Saltas, B. S. Sathyaprakash, Lijing Shao, Carlos F. Sopuerta, Thomas P. Sotiriou, Nikolaos Stergioulas, Nicola Tamanini, Filippo Vernizzi, Helvi Witek, Kinwah Wu, Kent Yagi, Stoytcho Yazadjiev, Nicolás Yunes, Miguel Zilhão, Niayesh Afshordi, Marie-Christine Angonin, Vishal Baibhav, Enrico Barausse, Tiago Barreiro, Nicola Bartolo, Nicola Bellomo, Ido Ben-Dayan, Eric A. Bergshoeff, Sebastiano Bernuzzi, Daniele Bertacca, Swetha Bhagwat, Béatrice Bonga, Lior M. Burko, Geoffrey Compére, Giulia Cusin, Antonio da Silva, Saurya Das, Claudia de Rham, Kyriakos Destounis, Ema Dimastrogiovanni, Francisco Duque, Richard Easther, Hontas Farmer, Matteo Fasiello, Stanislav Fisenko, Kwinten Fransen, Jörg Frauendiener, Jonathan Gair, László Árpád Gergely, Davide Gerosa, Leonardo Gualtieri, Wen-Biao Han, Aurelien Hees, Thomas Helfer, Jörg Hennig, Alexander C. Jenkins, Eric Kajfasz, Nemanja Kaloper, Vladimír Karas, Bradley J. Kavanagh, Sergei A. Klioner, Savvas M. Koushiappas, Macarena Lagos, Christophe Le Poncin-Lafitte, Francisco S. N. Lobo, Charalampos Markakis, Prado Martín-Moruno, C. J. A. P. Martins, Sabino Matarrese, Daniel R. Mayerson, José P. Mimoso, Johannes Noller, Nelson J. Nunes, Roberto Oliveri, Giorgio Orlando, George Pappas, Igor Pikovski, Luigi Pilo, Jiří Podolský, Geraint Pratten, Tomislav Prokopec, Hong Qi, Saeed Rastgoo, Angelo Ricciardone, Rocco Rollo, Diego Rubiera-Garcia, Olga Sergijenko, Stuart Shapiro, Deirdre Shoemaker, Alessandro Spallicci, Oleksandr Stashko, Leo C. Stein, Gianmassimo Tasinato, Andrew J. Tolley, Elias C. Vagenas, Stefan Vandoren, Daniele Vernieri, Rodrigo Vicente, Toby Wiseman, Valery I. Zhdanov, Miguel Zumalacárregui, UAM. Departamento de Física Teórica, Arun, K, Belgacem, E, Benkel, R, Bernard, L, Berti, E, Bertone, G, Besancon, M, Blas, D, Bohmer, C, Brito, R, Calcagni, G, Cardenas-Avendano, A, Clough, K, Crisostomi, M, De Luca, V, Doneva, D, Escoffier, S, Ezquiaga, J, Ferreira, P, Fleury, P, Foffa, S, Franciolini, G, Frusciante, N, Garcia-Bellido, J, Herdeiro, C, Hertog, T, Hinderer, T, Jetzer, P, Lombriser, L, Maggio, E, Maggiore, M, Mancarella, M, Maselli, A, Nampalliwar, S, Nichols, D, Okounkova, M, Pani, P, Paschalidis, V, Raccanelli, A, Randall, L, Renaux-Petel, S, Riotto, A, Ruiz, M, Saffer, A, Sakellariadou, M, Saltas, I, Sathyaprakash, B, Shao, L, Sopuerta, C, Sotiriou, T, Stergioulas, N, Tamanini, N, Vernizzi, F, Witek, H, Wu, K, Yagi, K, Yazadjiev, S, Yunes, N, Zilhao, M, Afshordi, N, Angonin, M, Baibhav, V, Barausse, E, Barreiro, T, Bartolo, N, Bellomo, N, Ben-Dayan, I, Bergshoeff, E, Bernuzzi, S, Bertacca, D, Bhagwat, S, Bonga, B, Burko, L, Compere, G, Cusin, G, da Silva, A, Das, S, de Rham, C, Destounis, K, Dimastrogiovanni, E, Duque, F, Easther, R, Farmer, H, Fasiello, M, Fisenko, S, Fransen, K, Frauendiener, J, Gair, J, Gergely, L, Gerosa, D, Gualtieri, L, Han, W, Hees, A, Helfer, T, Hennig, J, Jenkins, A, Kajfasz, E, Kaloper, N, Karas, V, Kavanagh, B, Klioner, S, Koushiappas, S, Lagos, M, Poncin-Lafitte, C, Lobo, F, Markakis, C, Martin-Moruno, P, Martins, C, Matarrese, S, Mayerson, D, Mimoso, J, Noller, J, Nunes, N, Oliveri, R, Orlando, G, Pappas, G, Pikovski, I, Pilo, L, Podolsky, J, Pratten, G, Prokopec, T, Qi, H, Rastgoo, S, Ricciardone, A, Rollo, R, Rubiera-Garcia, D, Sergijenko, O, Shapiro, S, Shoemaker, D, Spallicci, A, Stashko, O, Stein, L, Tasinato, G, Tolley, A, Vagenas, E, Vandoren, S, Vernieri, D, Vicente, R, Wiseman, T, Zhdanov, V, Zumalacarregui, M, Laboratoire Univers et Théories (LUTH (UMR_8102)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Département de Physique des Particules (ex SPP) (DPhP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique Théorique [Palaiseau] (CPHT), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire des deux Infinis de Toulouse (L2IT), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Théorique - UMR CNRS 3681 (IPHT), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Systèmes de Référence Temps Espace (SYRTE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique et chimie de l'environnement (LPCE), Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), LISA, Arun, K. G., Belgacem, Eni, Benkel, Robert, Bernard, Laura, Berti, Emanuele, Bertone, Gianfranco, Besancon, Marc, Blas, Diego, B??hmer, Christian G., Brito, Richard, Calcagni, Gianluca, Cardenas-Avenda??o, Alejandro, Clough, Katy, Crisostomi, Marco, De Luca, Valerio, Doneva, Daniela, Escoffier, Stephanie, Mar??a Ezquiaga, Jos??, Ferreira, Pedro G., Fleury, Pierre, Foffa, Stefano, Franciolini, Gabriele, Frusciante, Noemi, Garc??a-Bellido, Juan, Herdeiro, Carlo, Hertog, Thoma, Hinderer, Tanja, Jetzer, Philippe, Lombriser, Luca, Maggio, Elisa, Maggiore, Michele, Mancarella, Michele, Maselli, Andrea, Nampalliwar, Sourabh, Nichols, David, Okounkova, Maria, Pani, Paolo, Paschalidis, Vasileio, Raccanelli, Alvise, Randall, Lisa, Renaux-Petel, S??bastien, Riotto, Antonio, Ruiz, Milton, Saffer, Alexander, Sakellariadou, Mairi, Saltas, Ippocratis D., Sathyaprakash, B. S., Shao, Lijing, Sopuerta, Carlos F., Sotiriou, Thomas P., Stergioulas, Nikolao, Tamanini, Nicola, Vernizzi, Filippo, Witek, Helvi, Wu, Kinwah, Yagi, Kent, Yazadjiev, Stoytcho, Yunes, Nicol??, Zilh??o, Miguel, Afshordi, Niayesh, Angonin, Marie-Christine, Baibhav, Vishal, Barausse, Enrico, Barreiro, Tiago, Bartolo, Nicola, Bellomo, Nicola, Ben-Dayan, Ido, Bergshoeff, Eric A., Bernuzzi, Sebastiano, Bertacca, Daniele, Bhagwat, Swetha, Bonga, B??atrice, Burko, Lior M., Comp??re, Geoffrey, Cusin, Giulia, da Silva, Antonio, Das, Saurya, de Rham, Claudia, Destounis, Kyriako, Dimastrogiovanni, Ema, Duque, Francisco, Easther, Richard, Farmer, Honta, Fasiello, Matteo, Fisenko, Stanislav, Fransen, Kwinten, Frauendiener, J??rg, Gair, Jonathan, rp??d Gergely, L??szl??, Gerosa, Davide, Gualtieri, Leonardo, Han, Wen-Biao, Hees, Aurelien, Helfer, Thoma, Hennig, J??rg, Jenkins, Alexander C., Kajfasz, Eric, Kaloper, Nemanja, Karas, Vladim??r, Kavanagh, Bradley J., Klioner, Sergei A., Koushiappas, Savvas M., Lagos, Macarena, Le Poncin-Lafitte, Christophe, Lobo, Francisco S. N., Markakis, Charalampo, Mart??n-Moruno, Prado, Martins, C. J. A. P., Matarrese, Sabino, Mayerson, Daniel R., Mimoso, Jos?? P., Noller, Johanne, Nunes, Nelson J., Oliveri, Roberto, Orlando, Giorgio, Pappas, George, Pikovski, Igor, Pilo, Luigi, Podolsk??, Ji????, Pratten, Geraint, Prokopec, Tomislav, Qi, Hong, Rastgoo, Saeed, Ricciardone, Angelo, Rollo, Rocco, Rubiera-Garcia, Diego, Sergijenko, Olga, Shapiro, Stuart, Shoemaker, Deirdre, Spallicci, Alessandro, Stashko, Oleksandr, Stein, Leo C., Tasinato, Gianmassimo, Tolley, Andrew J., Vagenas, Elias C., Vandoren, Stefan, Vernieri, Daniele, Vicente, Rodrigo, Wiseman, Toby, Zhdanov, Valery I., Zumalac??rregui, Miguel, National Science Foundation (US), National Aeronautics and Space Administration (US), Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Generalitat de Catalunya, European Research Council, European Commission, Fundação para a Ciência e a Tecnologia (Portugal), Ministero dell'Istruzione, dell'Università e della Ricerca, Fundación 'la Caixa', Czech Science Foundation, Science and Technology Facilities Council (UK), GRAPPA (ITFA, IoP, FNWI), and Astroparticle Physics (IHEF, IoP, FNWI)
- Subjects
Astrofísica ,PROTOPLANET MIGRATION ,Física-Modelos matemáticos ,Physics and Astronomy (miscellaneous) ,gr-qc ,FOS: Physical sciences ,General Relativity and Quantum Cosmology (gr-qc) ,GRAVITATIONAL-WAVES ,horizon ,Fundamental physic ,General Relativity and Quantum Cosmology ,Physics, Particles & Fields ,Gravitational waves ,LIGO (Observatory) ,Tests of general relativity ,Settore FIS/05 - Astronomia e Astrofisica ,DARK-MATTER ,Física matemática ,KOZAI MECHANISM ,High Energy Physics ,GENERAL-RELATIVITY ,Fundamental physics ,LISA ,PRIMORDIAL BLACK-HOLES ,Science & Technology ,General Relativity and Cosmology ,83CXX ,Physics ,gravitation: interaction ,gravitational radiation ,Física ,Compact ,QUANTUM-GRAVITY ,Physical Sciences ,Astronomia ,[PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc] ,fundamental physics ,gravitational waves ,test of general relativity ,MODIFIED GRAVITY ,Gravitational wave ,MULTIPOLE MOMENTS ,HUBBLE CONSTANT - Abstract
K. G. Arun et al., The Laser Interferometer Space Antenna (LISA) has the potential to reveal wonders about the fundamental theory of nature at play in the extreme gravity regime, where the gravitational interaction is both strong and dynamical. In this white paper, the Fundamental Physics Working Group of the LISA Consortium summarizes the current topics in fundamental physics where LISA observations of gravitational waves can be expected to provide key input. We provide the briefest of reviews to then delineate avenues for future research directions and to discuss connections between this working group, other working groups and the consortium work package teams. These connections must be developed for LISA to live up to its science potential in these areas., E. Berti is supported by NSF Grants No. PHY-1912550 and AST-2006538, NASA ATP Grants No. 17-ATP17-0225 and 19-ATP19-0051, NSF-XSEDE Grant No. PHY-090003, and NSF Grant PHY-20043. D. Blas is supported by a ‘Ayuda Beatriz Galindo Senior’ from the Spanish ‘Ministerio de Universidades’, grant BG20/00228. IFAE is partially funded by the CERCA program of the Generalitat de Catalunya. The research leading of to these results has received funding from the Spanish Ministry of Science and Innovation (PID2020-115845GB-I00/AEI/10.13039/501100011033). K. Clough is supported by funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 693024). A. Cárdenas-Avendaño acknowledges funding from the Fundación Universitaria Konrad Lorenz (Project 5INV1) and from Will and Kacie Snellings. M. Crisostomi and E. Barausse are supported by the European Union’s H2020 ERC Consolidator Grant “GRavity from Astrophysical to Microscopic Scales” (Grant No. GRAMS-815673). P. Fleury received the support of a fellowship from “la Caixa” Foundation (ID 100010434). The fellowship code is LCF/BQ/PI19/11690018. C. Herdeiro thanks the support of the Center for Research and Development in Mathematics and Applications (CIDMA) through the Portuguese Foundation for Science and Technology (FCT - Fundação para a Ciência e a Tecnologia), references UIDB/04106/2020 and UIDP/04106/2020, the projects PTDC/FIS-OUT/28407/2017, CERN/FIS-PAR/0027/2019, PTDC/FIS-AST/3041/2020 and the European Union’s Horizon 2020 research and innovation (RISE) programme H2020-MSCA-RISE-2017 Grant No. FunFiCO-777740. P. Pani and E. Maggio acknowledge financial support provided under the European Union’s H2020 ERC, Starting Grant agreement no. DarkGRA–757480, and under the MIUR PRIN and FARE programmes (GW-NEXT, CUP: B84I20000100001), and support from the Amaldi Research Center funded by the MIUR program “Dipartimento di Eccellenza” (CUP: B81I18001170001). N.Frusciante was supported by Fundação para a Ciência e a Tecnologia (FCT) through the research grants UIDB/04434/2020, UIDP/04434/2020, PTDC/FIS-OUT/29048/2017, CERN/FIS-PAR/0037/2019, the FCT project “CosmoTests—Cosmological tests of gravity theories beyond General Relativity” with ref. number CEECIND/00017/2018 and the FCT project “BEYLA –BEYond LAmbda” with ref. number PTDC/FIS-AST/0054/2021. L.Lombriser was supported by a Swiss National Science Foundation Professorship grant (No. 170547). S.N. acknowledges support from the Alexander von Humboldt Foundation. D.N. acknowledges support from the NSF Grant No. PHY-2011784. R.B. acknowledges financial support from FCT – Fundação para a Ciência e a Tecnologia, I.P., under the Scientific Employment Stimulus - Individual Call - 2020.00470.CEECIND. V. Paschalidis acknowledges support from NSF Grant PHY-1912619 and NASA Grant 80NSSC20K1542 to the University of Arizona. B.S.S. is supported by NSF grants No. AST-2006384 and PHY-2012083. C.F.S. is supported by contracts ESP2017-90084-P and PID2019-106515GB-I00/AEI/10.13039/501100011033 (Spanish Ministry of Science and Innovation) and 2017-SGR-1469 (AGAUR, Generalitat de Catalunya). T. P. S. acknowledges partial support from the STFC Consolidated Grant No. ST/P000703/1. M. Ruiz acknowledges support from NASA Grant 80NSSC17K0070 to the University of Illinois at Urbana-Champaign. I.D. Saltas is supported by the Czech Science Foundation GAČR, Grant No. 21-16583M. N. Stergioulas is supported by the ESA Prodex grant PEA:4000132310 “LISA Stochastic Signals Analysis Pipeline”. F.V. acknowledges partial support from CNES. K.Y. acknowledges support from NSF Grant PHY-1806776, NASA Grant 80NSSC20K0523, a Sloan Foundation Research Fellowship and the Owens Family Foundation. K.Y. would like to also acknowledge support by the COST Action GWverse CA16104 and JSPS KAKENHI Grants No. JP17H06358. N. Yunes acknowledges support from NASA Grants No. NNX16AB98G, 80NSSC17M0041 and 80NSSC18K1352, NSF Award No. 1759615, and the Simons Foundation through MPS Award Number 896696. D.D. acknowledge financial support via an Emmy Noether Research Group funded by the German Research Foundation (DFG) under grant no. DO 1771/1-1.
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- 2022
16. A two-step metal organic vapor phase epitaxy growth method for high-quality ZnO on GaN/Al2O3 (0 0 0 1)
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Dadgar, A., Oleynik, N., Forster, D., Deiter, S., Witek, H., Bläsing, J., Bertram, F., Krtschil, A., Diez, A., Christen, J., and Krost, A.
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METAL organic chemical vapor deposition , *SEMICONDUCTORS , *CHEMICAL vapor deposition , *ZINC oxide - Abstract
High-quality [0 0 0 1]-oriented ZnO films were grown in a single growth experiment on GaN/Al2O3 applying a two-step metal organic vapor phase epitaxy growth technique. The essence of this method is the heteroepitaxy of a low-temperature ZnO buffer layer using dimethyl-zinc and tertiary-butanol precursors on GaN/Al2O3 and the subsequent homoepitaxial growth of a high-temperature layer using N2O as O-precursor. The layers show smooth surface morphology and high crystalline quality as demonstrated by X-ray diffraction (FWHM of (0 0 0 2) ω-scans for a 2.28 μm thick layer is 160″). The bright luminescence is dominated by narrow excitonic emission lines (e.g., FWHM <1.3 meV for bound exciton I8). Our method opens broad prospect for the growth of ZnO-based device structures. [Copyright &y& Elsevier]
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- 2004
- Full Text
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17. Testing general relativity with present and future astrophysical observations
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Flávio S. Coelho, Helvi Witek, Pablo Laguna, Enrico Barausse, C.P. Burgess, Juan Carlos Degollado, Burkhard Kleihaus, João G. Rosa, Hans A. Winther, Ryuichi Fujita, Richard O'Shaughnessy, S. Mirshekari, Emanuele Berti, Hirotada Okawa, Carlos A. R. Herdeiro, Tyson Littenberg, Ulrich Sperhake, Jutta Kunz, Tjonnie G. F. Li, Hector O. Silva, Saeed Kamali, James Healy, Ryan N. Lang, Paolo Pani, Daniela D. Doneva, Paulo C. C. Freire, Brett Bolen, Caixia Gao, Justin Alsing, Norbert Wex, Kostas D. Kokkotas, Michael Horbatsch, Sarah Caudill, Pedro G. Ferreira, Leo C. Stein, Vitor Cardoso, Laleh Sadeghian, Antoine Klein, Leonardo Gualtieri, Eugen Radu, Antonio De Felice, Kent Yagi, Miguel Zilhão, Davide Gerosa, Liang Chen, Marco O. P. Sampaio, Hajime Sotani, Chris Van Den Broeck, Mir Emad Aghili, Andrew Matas, Bangalore Suryanarayana Sathyaprakash, Luca Bombelli, Tessa Baker, Berti, E, Barausse, E, Cardoso, V, Gualtieri, L, Pani, P, Sperhake, U, Stein, L, Wex, N, Yagi, K, Baker, T, Burgess, C, Coelho, F, Doneva, D, De Felice, A, Ferreira, P, Freire, P, Healy, J, Herdeiro, C, Horbatsch, M, Kleihaus, B, Klein, A, Kokkotas, K, Kunz, J, Laguna, P, Lang, R, Li, T, Littenberg, T, Matas, A, Mirshekari, S, Okawa, H, Radu, E, O'Shaughnessy, R, Sathyaprakash, B, Van den Broeck, C, Winther, H, Witek, H, Aghili, M, Alsing, J, Bolen, B, Bombelli, L, Caudill, S, Chen, L, Degollado, J, Fujita, R, Gao, C, Gerosa, D, Kamali, S, Silva, H, Rosa, J, Sadeghian, L, Sampaio, M, Sotani, H, Zilhao, M, Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)
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High Energy Physics - Theory ,Gravity (chemistry) ,General Relativity ,Physics and Astronomy (miscellaneous) ,General relativity ,FOS: Physical sciences ,General Relativity and Quantum Cosmology (gr-qc) ,Astrophysics ,04.80.Cc ,Binary pulsar ,General Relativity and Quantum Cosmology ,neutron stars ,Theoretical physics ,symbols.namesake ,High Energy Physics - Phenomenology (hep-ph) ,Gravitational field ,general relativity ,compact binaries ,Einstein ,black holes, gravitational waves, general relativity, relativistic astrophysics ,High Energy Astrophysical Phenomena (astro-ph.HE) ,Physics ,Spacetime ,04.30.Tv ,Gravitational wave ,Black holes ,gravitational waves ,04.40.Dg ,04.80.Nn ,3. Good health ,04.20.-q ,04.70.-s ,Neutron star ,High Energy Physics - Phenomenology ,High Energy Physics - Theory (hep-th) ,[SDU]Sciences of the Universe [physics] ,symbols ,Astrophysics - High Energy Astrophysical Phenomena ,Gravitation - Abstract
One century after its formulation, Einstein's general relativity has made remarkable predictions and turned out to be compatible with all experimental tests. Most of these tests probe the theory in the weak-field regime, and there are theoretical and experimental reasons to believe that general relativity should be modified when gravitational fields are strong and spacetime curvature is large. The best astrophysical laboratories to probe strong-field gravity are black holes and neutron stars, whether isolated or in binary systems. We review the motivations to consider extensions of general relativity. We present a (necessarily incomplete) catalog of modified theories of gravity for which strong-field predictions have been computed and contrasted to Einstein's theory, and we summarize our current understanding of the structure and dynamics of compact objects in these theories. We discuss current bounds on modified gravity from binary pulsar and cosmological observations, and we highlight the potential of future gravitational wave measurements to inform us on the behavior of gravity in the strong-field regime., 188 pages, 46 figures, 6 tables, 903 references. Matches version published in Classical and Quantum Gravity. Supplementary data files available at http://www.phy.olemiss.edu/~berti/research/ and http://centra.tecnico.ulisboa.pt/network/grit/files/
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- 2015
18. Black holes, gravitational waves and fundamental physics: a roadmap
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Leor Barack, Vitor Cardoso, Samaya Nissanke, Thomas P Sotiriou, Abbas Askar, Chris Belczynski, Gianfranco Bertone, Edi Bon, Diego Blas, Richard Brito, Tomasz Bulik, Clare Burrage, Christian T Byrnes, Chiara Caprini, Masha Chernyakova, Piotr Chruściel, Monica Colpi, Valeria Ferrari, Daniele Gaggero, Jonathan Gair, Juan García-Bellido, S F Hassan, Lavinia Heisenberg, Martin Hendry, Ik Siong Heng, Carlos Herdeiro, Tanja Hinderer, Assaf Horesh, Bradley J Kavanagh, Bence Kocsis, Michael Kramer, Alexandre Le Tiec, Chiara Mingarelli, Germano Nardini, Gijs Nelemans, Carlos Palenzuela, Paolo Pani, Albino Perego, Edward K Porter, Elena M Rossi, Patricia Schmidt, Alberto Sesana, Ulrich Sperhake, Antonio Stamerra, Leo C Stein, Nicola Tamanini, Thomas M Tauris, L Arturo Urena-López, Frederic Vincent, Marta Volonteri, Barry Wardell, Norbert Wex, Kent Yagi, Tiziano Abdelsalhin, Miguel Ángel Aloy, Pau Amaro-Seoane, Lorenzo Annulli, Manuel Arca-Sedda, Ibrahima Bah, Enrico Barausse, Elvis Barakovic, Robert Benkel, Charles L Bennett, Laura Bernard, Sebastiano Bernuzzi, Christopher P L Berry, Emanuele Berti, Miguel Bezares, Jose Juan Blanco-Pillado, Jose Luis Blázquez-Salcedo, Matteo Bonetti, Mateja Bošković, Zeljka Bosnjak, Katja Bricman, Bernd Brügmann, Pedro R Capelo, Sante Carloni, Pablo Cerdá-Durán, Christos Charmousis, Sylvain Chaty, Aurora Clerici, Andrew Coates, Marta Colleoni, Lucas G Collodel, Geoffrey Compère, William Cook, Isabel Cordero-Carrión, Miguel Correia, Álvaro de la Cruz-Dombriz, Viktor G Czinner, Kyriakos Destounis, Kostas Dialektopoulos, Daniela Doneva, Massimo Dotti, Amelia Drew, Christopher Eckner, James Edholm, Roberto Emparan, Recai Erdem, Miguel Ferreira, Pedro G Ferreira, Andrew Finch, Jose A Font, Nicola Franchini, Kwinten Fransen, Dmitry Gal’tsov, Apratim Ganguly, Davide Gerosa, Kostas Glampedakis, Andreja Gomboc, Ariel Goobar, Leonardo Gualtieri, Eduardo Guendelman, Francesco Haardt, Troels Harmark, Filip Hejda, Thomas Hertog, Seth Hopper, Sascha Husa, Nada Ihanec, Taishi Ikeda, Amruta Jaodand, Philippe Jetzer, Xisco Jimenez-Forteza, Marc Kamionkowski, David E Kaplan, Stelios Kazantzidis, Masashi Kimura, Shiho Kobayashi, Kostas Kokkotas, Julian Krolik, Jutta Kunz, Claus Lämmerzahl, Paul Lasky, José P S Lemos, Jackson Levi Said, Stefano Liberati, Jorge Lopes, Raimon Luna, Yin-Zhe Ma, Elisa Maggio, Alberto Mangiagli, Marina Martinez Montero, Andrea Maselli, Lucio Mayer, Anupam Mazumdar, Christopher Messenger, Brice Ménard, Masato Minamitsuji, Christopher J Moore, David Mota, Sourabh Nampalliwar, Andrea Nerozzi, David Nichols, Emil Nissimov, Martin Obergaulinger, Niels A Obers, Roberto Oliveri, George Pappas, Vedad Pasic, Hiranya Peiris, Tanja Petrushevska, Denis Pollney, Geraint Pratten, Nemanja Rakic, Istvan Racz, Miren Radia, Fethi M Ramazanoğlu, Antoni Ramos-Buades, Guilherme Raposo, Marek Rogatko, Roxana Rosca-Mead, Dorota Rosinska, Stephan Rosswog, Ester Ruiz-Morales, Mairi Sakellariadou, Nicolás Sanchis-Gual, Om Sharan Salafia, Anuradha Samajdar, Alicia Sintes, Majda Smole, Carlos Sopuerta, Rafael Souza-Lima, Marko Stalevski, Nikolaos Stergioulas, Chris Stevens, Tomas Tamfal, Alejandro Torres-Forné, Sergey Tsygankov, Kıvanç İ Ünlütürk, Rosa Valiante, Maarten van de Meent, José Velhinho, Yosef Verbin, Bert Vercnocke, Daniele Vernieri, Rodrigo Vicente, Vincenzo Vitagliano, Amanda Weltman, Bernard Whiting, Andrew Williamson, Helvi Witek, Aneta Wojnar, Kadri Yakut, Haopeng Yan, Stoycho Yazadjiev, Gabrijela Zaharijas, Miguel Zilhão, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut des Hautes Etudes Scientifiques (IHES), IHES, Laboratoire Univers et Théories (LUTH (UMR_8102)), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA (UMR_8109)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique d'Orsay [Orsay] (LPT), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut des Hautes Études Scientifiques (IHES), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Barack, L., Cardoso, V., Nissanke, S., Sotiriou, T. P., Askar, A., Belczynski, C., Bertone, G., Bon, E., Blas, D., Brito, R., Bulik, T., Burrage, C., Byrnes, C. T., Caprini, C., Chernyakova, M., Chrusciel, P., Colpi, M., Ferrari, V., Gaggero, D., Gair, J., Garcia-Bellido, J., Hassan, S. F., Heisenberg, L., Hendry, M., Heng, I. S., Herdeiro, C., Hinderer, T., Horesh, A., Kavanagh, B. J., Kocsis, B., Kramer, M., Le Tiec, A., Mingarelli, C., Nardini, G., Nelemans, G., Palenzuela, C., Pani, P., Perego, A., Porter, E. K., Rossi, E. M., Schmidt, P., Sesana, A., Sperhake, U., Stamerra, A., Stein, L. C., Tamanini, N., Tauris, T. M., Urena-Lopez, L. A., Vincent, F., Volonteri, M., Wardell, B., Wex, N., Yagi, K., Abdelsalhin, T., Aloy, M. A., Amaro-Seoane, P., Annulli, L., Arca-Sedda, M., Bah, I., Barausse, E., Barakovic, E., Benkel, R., Bennett, C. L., Bernard, L., Bernuzzi, S., Berry, C. P. L., Berti, E., Bezares, M., Blanco-Pillado, J. J., Blazquez-Salcedo, J. L., Bonetti, M., Boskovic, M., Bosnjak, Z., Bricman, K., Brugmann, B., Capelo, P. R., Carloni, S., Cerda-Duran, P., Charmousis, C., Chaty, S., Clerici, A., Coates, A., Colleoni, M., Collodel, L. G., Compere, G., Cook, W., Cordero-Carrion, I., Correia, M., De La Cruz-Dombriz, A., Czinner, V. G., Destounis, K., Dialektopoulos, K., Doneva, D., Dotti, M., Drew, A., Eckner, C., Edholm, J., Emparan, R., Erdem, R., Ferreira, M., Ferreira, P. G., Finch, A., Font, J. A., Franchini, N., Fransen, K., Gal'Tsov, D., Ganguly, A., Gerosa, D., Glampedakis, K., Gomboc, A., Goobar, A., Gualtieri, L., Guendelman, E., Haardt, F., Harmark, T., Hejda, F., Hertog, T., Hopper, S., Husa, S., Ihanec, N., Ikeda, T., Jaodand, A., Jetzer, P., Jimenez-Forteza, X., Kamionkowski, M., Kaplan, D. E., Kazantzidis, S., Kimura, M., Kobayashi, S., Kokkotas, K., Krolik, J., Kunz, J., Lammerzahl, C., Lasky, P., Lemos, J. P. S., Levi Said, J., Liberati, S., Lopes, J., Luna, R., Ma, Y. -Z., Maggio, E., Mangiagli, A., Montero, M. M., Maselli, A., Mayer, L., Mazumdar, A., Messenger, C., Menard, B., Minamitsuji, M., Moore, C. J., Mota, D., Nampalliwar, S., Nerozzi, A., Nichols, D., Nissimov, E., Obergaulinger, M., Obers, N. A., Oliveri, R., Pappas, G., Pasic, V., Peiris, H., Petrushevska, T., Pollney, D., Pratten, G., Rakic, N., Racz, I., Radia, M., Ramazanoglu, F. M., Ramos-Buades, A., Raposo, G., Rogatko, M., Rosca-Mead, R., Rosinska, D., Rosswog, S., Ruiz-Morales, E., Sakellariadou, M., Sanchis-Gual, N., Sharan Salafia, O., Samajdar, A., Sintes, A., Smole, M., Sopuerta, C., Souza-Lima, R., Stalevski, M., Stergioulas, N., Stevens, C., Tamfal, T., Torres-Forne, A., Tsygankov, S., I Unluturk, Ki., Valiante, R., Van De Meent, M., Velhinho, J., Verbin, Y., Vercnocke, B., Vernieri, D., Vicente, R., Vitagliano, V., Weltman, A., Whiting, B., Williamson, A., Witek, H., Wojnar, A., Yakut, K., Yan, H., Yazadjiev, S., Zaharijas, G., Zilhao, M., Gravitation and Astroparticle Physics Amsterdam, GRAPPA (ITFA, IoP, FNWI), IoP (FNWI), High Energy Astrophys. & Astropart. Phys (API, FNWI), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Sperhake, Ulrich [0000-0002-3134-7088], Drew, Amelia [0000-0001-8252-602X], Radia, Miren [0000-0001-8861-2025], Apollo - University of Cambridge Repository, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Ege Üniversitesi, Barack, L, Cardoso, V, Nissanke, S, Sotiriou, T, Askar, A, Belczynski, C, Bertone, G, Bon, E, Blas, D, Brito, R, Bulik, T, Burrage, C, Byrnes, C, Caprini, C, Chernyakova, M, Chruściel, P, Colpi, M, Ferrari, V, Gaggero, D, Gair, J, García-Bellido, J, Hassan, S, Heisenberg, L, Hendry, M, Heng, I, Herdeiro, C, Hinderer, T, Horesh, A, Kavanagh, B, Kocsis, B, Kramer, M, Le Tiec, A, Mingarelli, C, Nardini, G, Nelemans, G, Palenzuela, C, Pani, P, Perego, A, Porter, E, Rossi, E, Schmidt, P, Sesana, A, Sperhake, U, Stamerra, A, Stein, L, Tamanini, N, Tauris, T, Urena-López, L, Vincent, F, Volonteri, M, Wardell, B, Wex, N, Yagi, K, Abdelsalhin, T, Aloy, M, Amaro-Seoane, P, Annulli, L, Arca-Sedda, M, Bah, I, Barausse, E, Barakovic, E, Benkel, R, Bennett, C, Bernard, L, Bernuzzi, S, Berry, C, Berti, E, Bezares, M, Blanco-Pillado, J, Blázquez-Salcedo, J, Bonetti, M, Bošković, M, Bosnjak, Z, Bricman, K, Brügmann, B, Capelo, P, Carloni, S, Cerdá-Durán, P, Charmousis, C, Chaty, S, Clerici, A, Coates, A, Colleoni, M, Collodel, L, Compère, G, Cook, W, Cordero-Carrión, I, Correia, M, de la Cruz-Dombriz, Á, Czinner, V, Destounis, K, Dialektopoulos, K, Doneva, D, Dotti, M, Drew, A, Eckner, C, Edholm, J, Emparan, R, Erdem, R, Ferreira, M, Ferreira, P, Finch, A, Font, J, Franchini, N, Fransen, K, Gal’Tsov, D, Ganguly, A, Gerosa, D, Glampedakis, K, Gomboc, A, Goobar, A, Gualtieri, L, Guendelman, E, Haardt, F, Harmark, T, Hejda, F, Hertog, T, Hopper, S, Husa, S, Ihanec, N, Ikeda, T, Jaodand, A, Jetzer, P, Jimenez-Forteza, X, Kamionkowski, M, Kaplan, D, Kazantzidis, S, Kimura, M, Kobayashi, S, Kokkotas, K, Krolik, J, Kunz, J, Lämmerzahl, C, Lasky, P, Lemos, J, Levi Said, J, Liberati, S, Lopes, J, Luna, R, Ma, Y, Maggio, E, Mangiagli, A, Montero, M, Maselli, A, Mayer, L, Mazumdar, A, Messenger, C, Ménard, B, Minamitsuji, M, Moore, C, Mota, D, Nampalliwar, S, Nerozzi, A, Nichols, D, Nissimov, E, Obergaulinger, M, Obers, N, Oliveri, R, Pappas, G, Pasic, V, Peiris, H, Petrushevska, T, Pollney, D, Pratten, G, Rakic, N, Racz, I, Radia, M, Ramazanoğlu, F, Ramos-Buades, A, Raposo, G, Rogatko, M, Rosca-Mead, R, Rosinska, D, Rosswog, S, Ruiz-Morales, E, Sakellariadou, M, Sanchis-Gual, N, Sharan Salafia, O, Samajdar, A, Sintes, A, Smole, M, Sopuerta, C, Souza-Lima, R, Stalevski, M, Stergioulas, N, Stevens, C, Tamfal, T, Torres-Forné, A, Tsygankov, S, İ Ünlütürk, K, Valiante, R, van de Meent, M, Velhinho, J, Verbin, Y, Vercnocke, B, Vernieri, D, Vicente, R, Vitagliano, V, Weltman, A, Whiting, B, Williamson, A, Witek, H, Wojnar, A, Yakut, K, Yan, H, Yazadjiev, S, Zaharijas, G, and Zilhão, M
- Subjects
High Energy Physics - Theory ,cosmological model ,Physics and Astronomy (miscellaneous) ,Event horizon ,Astronomy ,01 natural sciences ,General Relativity and Quantum Cosmology ,Cosmology ,Physics, Particles & Fields ,Gravitation ,High Energy Physics::Theory ,black hole: formation ,Vacuum energy ,black hole ,general relativity ,NEUTRON-STAR ,GENERAL-RELATIVITY ,dark energy ,STAR CLUSTER SIMULATIONS ,gravitational wave ,QC ,QB ,media_common ,High Energy Astrophysical Phenomena (astro-ph.HE) ,Physics ,astro-ph.HE ,Quantum Science & Technology ,[PHYS.HTHE]Physics [physics]/High Energy Physics - Theory [hep-th] ,hep-th ,source modelling ,BRANS-DICKE THEORY ,fundamental physic ,gravitational waves ,QUASI-NORMAL MODES ,Physical Sciences ,birth and evolution of black holes ,black holes ,fundamental physics ,gravitational-wave astronomy ,[PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc] ,HIGH-REDSHIFT FORMATION ,Astrophysics - High Energy Astrophysical Phenomena ,SCALAR-TENSOR THEORIES ,General relativity ,media_common.quotation_subject ,gr-qc ,Physics, Multidisciplinary ,birth and evolution of black hole ,FOS: Physical sciences ,ST/R00045X/1 ,General Relativity and Quantum Cosmology (gr-qc) ,Astronomy & Astrophysics ,gravitational radiation: direct detection ,horizon ,vacuum state: energy ,Theoretical physics ,Settore FIS/05 - Astronomia e Astrofisica ,0103 physical sciences ,inflation ,010306 general physics ,STFC ,Science & Technology ,010308 nuclear & particles physics ,Gravitational wave ,Physique ,gravitational radiation ,RCUK ,ST/P000703/1 ,R-PROCESS NUCLEOSYNTHESIS ,Astronomie ,singularity ,Universe ,High Energy Physics - Theory (hep-th) ,gravitation ,black hole: model ,TIMING ARRAY LIMITS ,Dark energy ,[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] ,X-RAY BINARIES - Abstract
The grand challenges of contemporary fundamental physics-dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem-all involve gravity as a key component. And of all gravitational phenomena, black holes stand out in their elegant simplicity, while harbouring some of the most remarkable predictions of General Relativity: event horizons, singularities and ergoregions. The hitherto invisible landscape of the gravitational Universe is being unveiled before our eyes: the historical direct detection of gravitational waves by the LIGO-Virgo collaboration marks the dawn of a new era of scientific exploration. Gravitational-wave astronomy will allow us to test models of black hole formation, growth and evolution, as well as models of gravitational-wave generation and propagation. It will provide evidence for event horizons and ergoregions, test the theory of General Relativity itself, and may reveal the existence of new fundamental fields. The synthesis of these results has the potential to radically reshape our understanding of the cosmos and of the laws of Nature. The purpose of this work is to present a concise, yet comprehensive overview of the state of the art in the relevant fields of research, summarize important open problems, and lay out a roadmap for future progress. This write-up is an initiative taken within the framework of the European Action on 'Black holes, Gravitational waves and Fundamental Physics'., SCOPUS: re.j, info:eu-repo/semantics/published
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19. Ghost Instabilities in Self-Interacting Vector Fields: The Problem with Proca Fields.
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Clough K, Helfer T, Witek H, and Berti E
- Abstract
Massive vector fields feature in several areas of particle physics, e.g., as carriers of weak interactions, dark matter candidates, or an effective description of photons in a plasma. Here, we investigate vector fields with self-interactions by replacing the mass term in the Proca equation with a general potential. We show that this seemingly benign modification inevitably introduces ghost instabilities of the same kind as those recently identified for vector-tensor theories of modified gravity (but in this simpler, minimally coupled theory). It has been suggested that nonperturbative dynamics may drive systems away from such instabilities. We demonstrate that this is not the case by evolving a self-interacting Proca field on a Kerr background, where it grows due to the superradiant instability. The system initially evolves as in the massive case, but instabilities are triggered in a finite time once the self-interaction becomes significant. These instabilities have implications for the formation of condensates of massive, self-interacting vector bosons, the possibility of spin-one bosenovae, vector dark matter models, and effective models for interacting photons in a plasma.
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- 2022
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20. Dynamical Descalarization in Binary Black Hole Mergers.
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Silva HO, Witek H, Elley M, and Yunes N
- Abstract
Scalar fields coupled to the Gauss-Bonnet invariant can undergo a tachyonic instability, leading to spontaneous scalarization of black holes. Studies of this effect have so far been restricted to single black hole spacetimes. We present the first results on dynamical scalarization in head-on collisions and quasicircular inspirals of black hole binaries with numerical relativity simulations. We show that black hole binaries can either form a scalarized remnant or dynamically descalarize by shedding off its initial scalar hair. The observational implications of these findings are discussed.
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- 2021
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21. Square Peg in a Circular Hole: Choosing the Right Ansatz for Isolated Black Holes in Generic Gravitational Theories.
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Xie Y, Zhang J, Silva HO, de Rham C, Witek H, and Yunes N
- Abstract
The metric of a spacetime can be greatly simplified if the spacetime is circular. We prove that in generic effective theories of gravity, the spacetime of a stationary, axisymmetric, and asymptotically flat solution must be circular if the solution can be obtained perturbatively from a solution in the general relativity limit. This result applies to a broad class of gravitational theories that include arbitrary scalars and vectors in their light sector, so long as their nonstandard kinetic terms and nonmininal couplings to gravity are treated perturbatively.
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- 2021
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22. The missing link in gravitational-wave astronomy: A summary of discoveries waiting in the decihertz range.
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Sedda MA, Berry CPL, Jani K, Amaro-Seoane P, Auclair P, Baird J, Baker T, Berti E, Breivik K, Caprini C, Chen X, Doneva D, Ezquiaga JM, Ford KES, Katz ML, Kolkowitz S, McKernan B, Mueller G, Nardini G, Pikovski I, Rajendran S, Sesana A, Shao L, Tamanini N, Warburton N, Witek H, Wong K, and Zevin M
- Abstract
Since 2015 the gravitational-wave observations of LIGO and Virgo have transformed our understanding of compact-object binaries. In the years to come, ground-based gravitational-wave observatories such as LIGO, Virgo, and their successors will increase in sensitivity, discovering thousands of stellar-mass binaries. In the 2030s, the space-based LISA will provide gravitational-wave observations of massive black holes binaries. Between the ∼ 10 -10
3 Hz band of ground-based observatories and the ∼ 1 0 - 4 -10- 1 Hz band of LISA lies the uncharted decihertz gravitational-wave band. We propose a Decihertz Observatory to study this frequency range, and to complement observations made by other detectors. Decihertz observatories are well suited to observation of intermediate-mass ( ∼ 1 0 2 -104 M⊙ ) black holes; they will be able to detect stellar-mass binaries days to years before they merge, providing early warning of nearby binary neutron star mergers and measurements of the eccentricity of binary black holes, and they will enable new tests of general relativity and the Standard Model of particle physics. Here we summarise how a Decihertz Observatory could provide unique insights into how black holes form and evolve across cosmic time, improve prospects for both multimessenger astronomy and multiband gravitational-wave astronomy, and enable new probes of gravity, particle physics and cosmology., (© The Author(s) 2021.)- Published
- 2021
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23. Sub-stoichiometric reductive etherification of carbohydrate substrates and one-pot protecting group manipulation.
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Chen CW, Wang CC, Li XR, Witek H, and Mong KT
- Abstract
In this study, we report a new reductive etherification procedure for protection of carbohydrate substrates and its application for one-pot preparation of glycosyl building blocks. The reported procedure features the use of polymethylhydrosiloxane (PMHS) as a sub-stoichiometric reducing agent, which prevents the transilylation side reaction and improves the efficiency of the reductive etherification method. Application of the PMHS reductive etherification procedure for one-pot protecting group manipulation are described.
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- 2020
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24. When finite becomes infinite: convergence properties of vibrational spectra of oligomer chains.
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Chou CP, Witek H, and Irle S
- Abstract
We present a computational study of convergence properties of vibrational IR and Raman spectra for a series of increasingly long units of polyethylene, cis- and trans-polyacetylenes, and polyynes. Convergent behavior to the spectra of infinitely long polymers was observed in all cases when chains reached lengths of approximately 60 carbon atoms, both with respect to the positions of the bands and to their intensities. The vibrational spectra of longer chains are practically indistinguishable. The convergence rate depends on the degree of the π conjugation in a studied system: Vibrational spectra for oligoethylenes converge noticeably faster than the spectra for the conjugated systems. The slowest convergence is observed for skeletal motions of the oligomer chains, which may require more than a hundred carbon atoms in the chain to show deviations smaller than 1 cm
-1 to the corresponding solid-state calculations. The results suggest that the boundary between the properties of finite and infinite molecular systems fades away for a surprisingly small number of atoms.- Published
- 2018
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25. Communication: three-dimensional model for phonon confinement in small particles: quantitative bandshape analysis of size-dependent Raman spectra of nanodiamonds.
- Author
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Korepanov VI, Witek H, Okajima H, Ōsawa E, and Hamaguchi HO
- Abstract
Raman spectroscopy of nano-scale materials is facing a challenge of developing a physically sound quantitative approach for the phonon confinement effect, which profoundly affects the phonon Raman band shapes of small particles. We have developed a new approach based on 3-dimensional phonon dispersion functions. It analyzes the Raman band shapes quantitatively in terms of the particle size distributions. To test the model, we have successfully obtained good fits of the observed phonon Raman spectra of diamond nanoparticles in the size range from 1 to 100 nm.
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- 2014
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26. Infrared identification of the σ-complex of Cl-C6H6 in the reaction of chlorine atom and benzene in solid para-hydrogen.
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Bahou M, Witek H, and Lee YP
- Abstract
The reaction of a chlorine atom with benzene (C6H6) is important in organic chemistry, especially in site-selective chlorination reactions, but its product has been a subject of debate for five decades. Previous experimental and theoretical studies provide no concrete conclusion on whether the product is a π- or σ-form of the Cl-C6H6 complex. We took advantage of the diminished cage effect of para-hydrogen (p-H2) to produce Cl in situ to react with C6H6 (or C6D6) upon photolysis of a Cl2/C6H6 (or C6D6)/p-H2 matrix at 3.2 K. The infrared spectrum, showing intense lines at 1430.5, 833.6, 719.8, 617.0, and 577.4 cm(−1), and several weaker ones for Cl-C6H6, and the deuterium shifts of observed new lines unambiguously indicate that the product is a 6-chlorocyclohexadienyl radical, i.e., the σ-complex of Cl-C6H6. Observation of the σ-complex rather than the π-complex indicates that the σ-complex is more stable in solid p-H2 at 3.2 K. The spectral information is crucial for further investigations of the Cl + C6H6 reaction either in the gaseous or solution phase.
- Published
- 2013
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27. Automatized parametrization of SCC-DFTB repulsive potentials: application to hydrocarbons.
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Gaus M, Chou CP, Witek H, and Elstner M
- Abstract
In this work, we derive and test a new automatized strategy to construct repulsive potentials for the self-consistent charge density functional tight-binding (SCC-DFTB) method. This approach allows one to explore the parameter space in a systematic fashion in order to find optimal solutions. We find that due to the limited flexibility of the SCC-DFTB electronic part, not all properties can be optimized simultaneously. For example, the optimization of heats of formation is in conflict with the optimization of vibrational frequencies. Therefore, a special parametrization for vibrational frequencies is derived. It is shown that the performance of SCC-DFTB can be significantly improved using a more elaborate fitting strategy. A new fit for C and H is presented, which results in an average error of 2.6 kcal/mol for heats of formations for a large set of hydrocarbons, indicating that the performance of SCC-DFTB can be systematically improved also for other elements.
- Published
- 2009
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28. Rovibronic bands of the A (2)B2 <-- X (2)B1 transition of C6H5O and C6D5O detected with cavity ringdown absorption near 1.2 microm.
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Cheng CW, Witek H, and Lee YP
- Abstract
We recorded several rovibronic bands of C(6)H(5)O and C(6)D(5)O in their A (2)B(2)<--X (2)B(1) transitions in the range 1.14-1.31 microm with the cavity ringdown technique. While the electronic transition is forbidden, several vibronic bands are observed. By comparison of rovibronic contours of observed and simulated bands to determine their types of transition, and by consideration of vibrational wavenumbers of the upper state based on quantum-chemical calculations, we were able to provide vibronic assignments of observed bands and derive several experimental vibrational wavenumbers (given as nu in unit of cm(-1) in this paper) for the A (2)B(2) state, namely, nu(12)=947, nu(13)=793, nu(14)=417, nu(15)=964, nu(16)=866, nu(17)=723, nu(18)=680, and nu(19)=499 for C(6)H(5)O, and nu(12)=772, nu(13)=626, nu(14)=365, nu(15)=812, nu(17)=599, nu(18)=532, and nu(19)=436 for C(6)D(5)O. Transitions involving vibrationally excited levels of nu(20) were also observed; nu(20) of the A state is greater by 50 cm(-1) than the X state of C(6)H(5)O. A weak origin at 7681 cm(-1) for the A<--X transition of C(6)H(5)O (7661 cm(-1) for C(6)D(5)O) with a c-type contour was observed. Observed isotopic ratios of vibrational wavenumbers for the A state of C(6)H(5)O to those of C(6)D(5)O are in good agreement with the predictions from quantum-chemical calculations at the B3LYP/aug-cc-pVTZ level.
- Published
- 2008
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29. Sensitivity of ammonia interaction with single-walled carbon nanotube bundles to the presence of defect sites and functionalities.
- Author
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Feng X, Irle S, Witek H, Morokuma K, Vidic R, and Borguet E
- Abstract
Ammonia adsorption on single-walled carbon nanotubes (SWNTs) was studied by means of infrared spectroscopy at both cryogenic (approximately 94 K) and room (approximately 300 K) temperatures. At 94 K, vacuum-annealed SWNTs showed no detectable ammonia uptake. However, the ammonia adsorption was found to be sensitive to the functionalities and defects on the nanotube surfaces. NH3 adsorption was detected on HNO3-treated nanotubes, characterized by significant functionalities and defects, prior to vacuum annealing. NH3 desorbed from those nanotubes above 140 K, indicating a weak adsorbate-nanotube interaction (approximately 30 kJ/mol). Exposure of annealed samples to ambient air, which possibly regenerated functionalities and defects on nanotube surfaces, restored partially the ammonia uptake capacity. No ammonia adsorption on SWNTs was observed by infrared spectroscopy at room temperature with up to 80 Torr dosing pressure. This work suggests the influence of functionalities and/or defect densities on the sensitivity of SWNT chemical gas sensors. Our theoretical studies on NH3 adsorption on pristine and defective tubes, as well as oxidized tubes, corroborate these findings.
- Published
- 2005
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30. Synthesis of new re-activators of cholinesterase.
- Author
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Babska A, Bielski L, Kuczyński L, Respond S, and Witek H
- Subjects
- Acetamides chemical synthesis, Isomerism, Methods, Nitriles chemical synthesis, Nitroso Compounds chemical synthesis, Cholinesterase Reactivators chemical synthesis, Oximes chemical synthesis, Pyridines chemical synthesis
- Published
- 1973
31. [Effect of dust on the state of health of workers of the Combinat Mining--Energetic Turów].
- Author
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Szczeklik E, Orlowski M, Batkowski T, Bochenek W, Dyczkowska M, Gabryś K, Gola A, Gorzelnik M, Halawa B, Kasza S, Kolasińska T, Kotlarek-Haus S, Lawińska B, Nitka B, Norski T, Stańkowska K, Slończewski B, Sujak B, Szczeklik A, Tuszyńska M, Witek H, and Wojewodzka M
- Subjects
- Adult, Electricity, Humans, Industrial Waste analysis, Male, Middle Aged, Occupational Diseases, Occupational Medicine, Poland, Silicosis etiology, Water Pollution, Coal Mining, Dust analysis
- Published
- 1967
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