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5 results on '"temperature: fluctuation"'

1. Do supernovae indicate an accelerating universe?

Author

Subir Sarkar, Roya Mohayaee, Mohamed Rameez, Institut d'Astrophysique de Paris (IAP), and Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)

Subjects
cosmological model, quasar: redshift, Cosmic microwave background, General Physics and Astronomy, Cosmological constant, Astrophysics, baryon: oscillation: acoustic, 01 natural sciences, General Relativity and Quantum Cosmology, Cosmology, High Energy Physics - Phenomenology (hep-ph), general relativity, Peculiar velocity, General Materials Science, dark energy, 010303 astronomy & astrophysics, media_common, supernova: Type I, Physics, Hubble constant, cosmological constant, redshift: high, High Energy Physics - Phenomenology, kinematics, density: perturbation, flow, Robertson-Walker, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], Computer Science::Mathematical Software, symbols, Baryon acoustic oscillations, expansion: acceleration, Astrophysics - Cosmology and Nongalactic Astrophysics, velocity, density: primordial, Cosmology and Nongalactic Astrophysics (astro-ph.CO), media_common.quotation_subject, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Astrophysics::Cosmology and Extragalactic Astrophysics, Computer Science::Digital Libraries, temperature: fluctuation, symbols.namesake, 0103 physical sciences, structure, Physical and Theoretical Chemistry, 010308 nuclear & particles physics, Universe, gravitation, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], anisotropy: dipole, Dark energy, Einstein, galaxy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], cosmic background radiation: anisotropy, Hubble's law
Abstract

In the late 1990's, observations of 93 Type Ia supernovae were analysed in the framework of the FLRW cosmology assuming these to be `standard(isable) candles'. It was thus inferred that the Hubble expansion rate is accelerating as if driven by a positive Cosmological Constant $\Lambda$. This is still the only direct evidence for the `dark energy' that is the dominant component of the standard $\Lambda$CDM cosmological model. Other data such as BAO, CMB anisotropies, stellar ages, the rate of structure growth, etc are all `concordant' with this model but do not provide independent evidence for accelerated expansion. Analysis of a larger sample of 740 SNe Ia shows that these are not quite standard candles, and highlights the "corrections" applied to analyse the data in the FLRW framework. The latter holds in the reference frame in which the CMB is isotropic, whereas observations are made in our heliocentric frame in which the CMB has a large dipole anisotropy. This is assumed to be of kinematic origin i.e. due to our non-Hubble motion driven by local inhomogeneity in the matter distribution. The $\Lambda$CDM model predicts how this peculiar velocity should fall off as the averaging scale is raised and the universe becomes sensibly homogeneous. However observations of the local `bulk flow' are inconsistent with this expectation and convergence to the CMB frame is not seen. Moreover the kinematic interpretation implies a corresponding dipole in the sky distribution of high redshift quasars, which is rejected by observations at 4.9$\sigma$. The acceleration of the Hubble expansion rate is also anisotropic at 3.9$\sigma$ and aligned with the bulk flow. Thus dark energy may be an artefact of analysing data assuming that we are idealised observers in an FLRW universe, when in fact the real universe is inhomogeneous and anisotropic out to distances large enough to impact on cosmological analyses., Comment: 14 pages, 4 figures, 4 tables

Published
2021

2. Searching for anisotropic cosmic birefringence with polarization data from SPTpol

Author

Kent D. Irwin, W. L. Holzapfel, Jason W. Henning, A. A. Stark, J. D. Hrubes, Jeff McMahon, N. W. Halverson, Andreas Bender, T. M. Crawford, T.-L. Chou, L. Balkenhol, C. Sievers, Gensheng Wang, W. L. K. Wu, John E. Carlstrom, E. J. Baxter, W. B. Everett, Joshua Montgomery, Christian L. Reichardt, Marius Millea, A. E. Lowitz, V. G. Yefremenko, C. Pryke, Adrian T. Lee, Lloyd Knox, Dale Li, Joaquin Vieira, K. Vanderlinde, Gene C. Hilton, L. M. Mocanu, Jason Gallicchio, Y. Omori, K. K. Schaffer, Peter A. R. Ade, S. Patil, A. T. Crites, Jason E. Austermann, K. T. Story, S. S. Meyer, C. Corbett Moran, Valentine Novosad, T. de Haan, Jessica Avva, Graeme Smecher, P. Chaubal, J. E. Ruhl, A. J. Gilbert, Benjamin Saliwanchik, Gilbert Holder, Adam Anderson, M. A. Dobbs, A. Manzotti, S. Padin, Nathan Whitehorn, N. Huang, H. C. Chiang, Nikhel Gupta, Carole Tucker, G. I. Noble, Federico Bianchini, G. Simard, John P. Nibarger, Andrew Nadolski, J. A. Beall, Robert I. Citron, T. Natoli, Lindsey Bleem, Elizabeth George, T. Veach, Johannes Hubmayr, C. L. Chang, Bradford Benson, 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 SPT

Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO), media_common.quotation_subject, Cosmic microwave background, FOS: Physical sciences, anisotropy, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, 01 natural sciences, temperature: fluctuation, polarization: rotation, High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, inflation, Anisotropy, 010303 astronomy & astrophysics, media_common, Physics, COSMIC cancer database, birefringence, Chern-Simons term, 010308 nuclear & particles physics, coupling constant, magnetic field: primordial, Astrophysics::Instrumentation and Methods for Astrophysics, correlation: higher-order, Spectral density, Polarization (waves), Cosmology, cosmic background radiation: temperature, High Energy Physics - Phenomenology, Amplitude, South Pole Telescope, 13. Climate action, Sky, power spectrum: angular dependence, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We present a search for anisotropic cosmic birefringence in 500 deg$^2$ of southern sky observed at 150 GHz with the SPTpol camera on the South Pole Telescope. We reconstruct a map of cosmic polarization rotation anisotropies using higher-order correlations between the observed cosmic microwave background (CMB) $E$ and $B$ fields. We then measure the angular power spectrum of this map, which is found to be consistent with zero. The non-detection is translated into an upper limit on the amplitude of the scale-invariant cosmic rotation power spectrum, $L(L+1)C_L^{\alpha\alpha}/2\pi < 0.10 \times 10^{-4}$ rad$^2$ (0.033 deg$^2$, 95% C.L.). This upper limit can be used to place constraints on the strength of primordial magnetic fields, $B_{1 \rm Mpc} < 17 {\rm nG} $ (95% C.L.), and on the coupling constant of the Chern-Simons electromagnetic term $g_{a\gamma} < 4.0 \times 10^{-2}/H_I $ (95% C.L.), where $H_I$ is the inflationary Hubble scale. For the first time, we also cross-correlate the CMB temperature fluctuations with the reconstructed rotation angle map, a signal expected to be non-vanishing in certain theoretical scenarios, and find no detectable signal. We perform a suite of systematics and consistency checks and find no evidence for contamination., Comment: 17 pages, 7 figures - new subsection on non-Gaussian foregrounds, conclusions unchanged - updated to match published version on PRD

Published
2020

3. Temperature stability in the sub-milliHertz band with LISA Pathfinder

Author

Ferran Gibert, A. Cesarini, G. Russano, Peter Zweifel, Daniele Vetrugno, F. Rivas, S. Vitale, Michael Perreur-Lloyd, A. Wittchen, P. Pivato, Jacob Slutsky, Valerio Ferroni, Pierre Binétruy, Mauro Hueller, Gudrun Wanner, D. Hoyland, B. Kaune, C. Trenkel, Antoine Petiteau, Juan Ramos-Castro, Gerhard Heinzel, Daniel Hollington, G. Dixon, Paul McNamara, Ivan Lloro, R. Giusteri, Carlos F. Sopuerta, Davor Mance, Ph. Jetzer, M. Born, D. Texier, C. Mansanet, D. I. Robertson, Domenico Giardini, Antonella Cavalleri, Rita Dolesi, Ingo Diepholz, L. Martin-Polo, T. J. Sumner, L. Liu, J. Martino, D. Wealthy, Karsten Danzmann, Peter Wass, Heather Audley, E. Castelli, L. Wissel, Luigi Ferraioli, J. Baird, Ignacio Mateos, Christian J. Killow, Michele Armano, N. Korsakova, I. Harrison, N. Meshksar, J. A. Lobo, M. Freschi, S. Paczkowski, E. D. Fitzsimons, Eric Plagnol, V. Martín, Nikolaos Karnesis, J. Grzymisch, H. Ward, José F. F. Mendes, W. J. Weber, M. Hewitson, Oliver Jennrich, J. Reiche, Lluis Gesa, H. Inchauspé, Jose Sanjuan, James Ira Thorpe, R. Maarschalkerweerd, Catia Grimani, M. de Deus Silva, F. Martin-Porqueras, Daniele Bortoluzzi, L. Mendes, A. M. Cruise, Miquel Nofrarías, J. P. López-Zaragoza, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-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), LISA Pathfinder, 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), Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, 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), 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, and 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)

Subjects
detector: satellite, interferometer, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Low frequency, 01 natural sciences, Transfer function, Temperature measurement, General Relativity and Quantum Cosmology, Gravitational waves, temperature: fluctuation, Instruments [Space vehicles], Ones gravitacionals, 0103 physical sciences, noise: thermal, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Física::Relativitat::Gravitació [Àrees temàtiques de la UPC], space vehicles: instruments, Aerospace engineering, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Physics, LISA, 010308 nuclear & particles physics, Gravitational wave, business.industry, gravitational radiation, Time evolution, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy and Astrophysics, gravitational radiation detector, Interferometry, frequency: low, Pathfinder, gravitational waves, gravitational waves – space vehicles: instruments, Space and Planetary Science, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], temperature: stability, Astrophysics - Instrumentation and Methods for Astrophysics, Aeronàutica i espai::Astronàutica [Àrees temàtiques de la UPC], business, Noise (radio)
Abstract

LISA Pathfinder (LPF) was a technology pioneering mission designed to test key technologies required for gravitational wave detection in space. In the low frequency regime (milli-Hertz and below), where space-based gravitational wave observatories will operate, temperature fluctuations play a crucial role since they can couple into the interferometric measurement and the test masses' free-fall accuracy in many ways. A dedicated temperature measurement subsystem, with noise levels in 10$\,\mu$K$\,$Hz$^{-1/2}$ down to $1\,$mHz was part of the diagnostics unit on board LPF. In this paper we report on the temperature measurements throughout mission operations, characterize the thermal environment, estimate transfer functions between different locations and report temperature stability (and its time evolution) at frequencies as low as 10$\,\mu$Hz, where typically values around $1\,$K$\,$Hz$^{-1/2}$ were measured., Comment: 13 pages, 16 figures. MNRAS LaTeX style file version 3.0

Published
2019

4. Optimal scan strategies for future CMB satellite experiments

Author

Michael L. Brown, Christopher G. R. Wallis, Richard A. Battye, Jacques Delabrouille, 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), 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 de Paris (UP), 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), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), AstroParticule et Cosmologie ( APC - UMR 7164 ), and Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA )

Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO), Differential gain, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, satellite, Cosmic background radiation, FOS: Physical sciences, cosmic background radiation, Parameter space, 01 natural sciences, law.invention, temperature: fluctuation, Telescope, cosmic background radiation: B-mode, Optics, law, power spectrum: temperature, 0103 physical sciences, polarization: power spectrum, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], inflation, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010303 astronomy & astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Physics, 010308 nuclear & particles physics, business.industry, Detector, Spectral density, Astronomy and Astrophysics, crossing, Polarization (waves), cosmic background radiation: temperature, Space and Planetary Science, cosmology: observations, methods: observational, business, Astrophysics - Instrumentation and Methods for Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Algorithm, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The B-mode polarisation power spectrum in the Cosmic Microwave Background (CMB) is about four orders of magnitude fainter than the CMB temperature power spectrum. Any instrumental imperfections that couple temperature fluctuations to B-mode polarisation must therefore be carefully controlled and/or removed. We investigate the role that a scan strategy can have in mitigating certain common systematics by averaging systematic errors down with many crossing angles. We present approximate analytic forms for the error on the recovered B-mode power spectrum that would result from differential gain, differential pointing and differential ellipticity for the case where two detector pairs are used in a polarisation experiment. We use these analytic predictions to search the parameter space of common satellite scan strategies in order to identify those features of a scan strategy that have most impact in mitigating systematic effects. As an example we go on to identify a scan strategy suitable for the CMB satellite proposed for the ESA M5 call. considering the practical considerations of fuel requirement, data rate and the relative orientation of the telescope to the earth. Having chosen a scan strategy we then go on to investigate the suitability of the scan strategy., 21 pages, 11 figures, Comments welcome

Published
2017

5. Performance of a continuously rotating half-wave plate on the POLARBEAR telescope

Author

Aguilar, Mario, Arnold, Kam, Baccigalupi, Carlo, Barron, Darcy, Beckman, Shawn, Boettger, David, Borrill, Julian, Chapman, Scott, Cukierman, Ari, Ducout, Anne, Elleflot, Tucker, Errard, Josquin, Fabbian, Giulio, Fujino, Takuro, Galitzki, Nicholas, Goeckner-Wald, Neil, Halverson, Nils W., Hill, Charles, Howe, Logan, Jaffe, Andrew H., Jeong, Oliver, Kaneko, Daisuke, Keating, Brian, Keskitalo, Reijo, Kisner, Theodore, Krachmalnicoff, Nicoletta, Kusaka, Akito, Lee, Adrian T., Leon, David, Lowry, Lindsay, Matsuda, Frederick, Navaroli, Martin, Paar, Hans, Peloton, Julien, Poletti, Davide, Puglisi, Giuseppe, Reichardt, Christian L., Ross, Colin, Siritanasak, Praween, Takatori, Sayuri, Teply, Grant, Takakura, Satoru, Akiba, Yoshiki, Chinone, Yuji, Hasegawa, Masaya, Hattori, Kaori, Hazumi, Masashi, Inoue, Yuki, Katayama, Nobuhiko, Matsumura, Tomotake, Nishino, Haruki, Suzuki, Aritoki, Tajima, Osamu, Institut Lagrange de Paris, Sorbonne Universités, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), 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), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Takakura, S, Aguilar, M, Akiba, Y, Arnold, K, Baccigalupi, C, Barron, D, Beckman, S, Boettger, D, Borrill, J, Chapman, S, Chinone, Y, Cukierman, A, Ducout, A, Elleflot, T, Errard, J, Fabbian, G, Fujino, T, Galitzki, N, Goeckner-Wald, N, Halverson, N, Hasegawa, M, Hattori, K, Hazumi, M, Hill, C, Howe, L, Inoue, Y, Jaffe, A, Jeong, O, Kaneko, D, Katayama, N, Keating, B, Keskitalo, R, Kisner, T, Krachmalnicoff, N, Kusaka, A, Lee, A, Leon, D, Lowry, L, Matsuda, F, Matsumura, T, Navaroli, M, Nishino, H, Paar, H, Peloton, J, Poletti, D, Puglisi, G, Reichardt, C, Ross, C, Siritanasak, P, Suzuki, A, Tajima, O, Takatori, S, Teply, G, Sorbonne Université (SU), 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 de Paris (UP), 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), Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institut d'astrophysique spatiale ( IAS ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), and Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES)

Subjects
Physics - Instrumentation and Detectors, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, measurement methods, cosmic background radiation, 01 natural sciences, Waveplate, Atomic, law.invention, Particle and Plasma Physics, law, CMBR experiments, Stokes parameters, 010303 astronomy & astrophysics, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], physics.ins-det, Leakage (electronics), Physics, Settore FIS/05, Detector, Instrumentation and Detectors (physics.ins-det), Nuclear & Particles Physics, Cardinal point, symbols, astro-ph.CO, CMBR experiment, Astrophysics - Instrumentation and Methods for Astrophysics, Astronomical and Space Sciences, performance, Astrophysics - Cosmology and Nongalactic Astrophysics, noise, Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, temperature: fluctuation, 010309 optics, Primary mirror, Telescope, symbols.namesake, Optics, Settore FIS/05 - Astronomia e Astrofisica, 0103 physical sciences, Nuclear, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation and Methods for Astrophysics (astro-ph.IM), detector: design, polarization, business.industry, Molecular, Astronomy and Astrophysics, sensitivity, optics, gravitational waves and CMBR polarization, astro-ph.IM, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract

著者人数: 53名, Accepted: 2017-04-15, 資料番号: SA1170067000

Published
2017

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