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General Relativity and Quantum Cosmology

Authors and titles for recent submissions, skipping first 33

[ total of 159 entries: 1-50 | 34-83 | 84-133 | 134-159 ]
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Thu, 16 May 2024 (continued, showing last 34 of 35 entries)

[34]  arXiv:2405.09495 [pdf, other]
Title: A dissipative extension to ideal hydrodynamics
Authors: Marcus J. Hatton, Ian Hawke
Comments: 16 pages, 13 figures. Intention to submit to MNRAS
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE); Computational Physics (physics.comp-ph); Fluid Dynamics (physics.flu-dyn)
[35]  arXiv:2405.09480 [pdf, ps, other]
Title: Ghost stars in general relativity
Authors: L. Herrera, A. Di Prisco, J. Ospino
Comments: 19 pages Latex. Invited contribution published in Symmetry (SI: The Nuclear Physics of Neutron Stars)
Journal-ref: Symmetry 16, 562, (2024)
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO)
[36]  arXiv:2405.09475 [pdf, other]
Title: Robust inference of gravitational wave source parameters in the presence of noise transients using normalizing flows
Authors: Chun-Yu Xiong, Tian-Yang Sun, Jing-Fei Zhang, Xin Zhang
Comments: 13 pages, 9 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Physics - Phenomenology (hep-ph)
[37]  arXiv:2405.09471 [pdf, ps, other]
Title: Charged scalar bosons in a Bonnor-Melvin-$Λ$ universe at conical approximation
Authors: Luis B. Castro, Angel E. Obispo, Andrés G. Jirón
Comments: 11 pages, 5 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph); Quantum Physics (quant-ph)
[38]  arXiv:2405.09468 [pdf, other]
Title: Predicting Binary Neutron Star Postmerger Spectra Using Artificial Neural Networks
Authors: Dimitrios Pesios, Ioannis Koutalios, Dimitris Kugiumtzis, Nikolaos Stergioulas
Comments: 20 pages, 12 figures, to be submitted to PRD
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)
[39]  arXiv:2405.09435 [pdf, ps, other]
Title: On the radiation field of a linearly accelerated charged particle in Born-Infeld theory
Authors: M. L. Peñafiel, S. E. Perez Bergliaffa
Comments: 41 pages, 9 figures, Accepted for publication in Annals of Physics
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[40]  arXiv:2405.09422 [pdf, other]
Title: Was there a Big Bang?
Authors: D. E. Afanasev, M. O. Katanaev
Comments: 8 pages, 2 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)
[41]  arXiv:2405.09411 [pdf, other]
Title: Spin-spin Interactions in General Relativity versus Linearized Massive Gravity: $N$-body Simulations
Authors: Eren Gulmez, Bayram Tekin
Comments: 11 pages, 6 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)
[42]  arXiv:2405.09364 [pdf, other]
Title: Orbital Stability Study of the Taiji Space Gravitational Wave Detector
Authors: Yu-Yang Zhang, Geng Li, Bo Wen
Comments: 18 pages, 11 figures
Journal-ref: Universe 2024, Volume 10, Issue 5, 219
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)
[43]  arXiv:2405.09307 [pdf, other]
Title: Quantum entanglement and non-Gaussianity in the primordial Universe
Authors: Herve Bergeron, Przemyslaw Malkiewicz, Patrick Peter
Comments: 9 pages, 7 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[44]  arXiv:2405.09271 [pdf, other]
Title: Gravitational Collapse in Higher-Dimensional Rastall Gravity with and without Cosmological Constant
Authors: Golfin Ekatria, Andy Octavian Latief, Fiki Taufik Akbar, Bobby Eka Gunara
Comments: 13 pages, 6 figures, comments are welcome
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[45]  arXiv:2405.09257 [pdf, other]
Title: Static spherically symmetric perfect fluid solutions in teleparallel F(T) gravity
Authors: Alexandre Landry
Comments: 47 pages, no figure. Will appear in Axioms
Subjects: General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph)
[46]  arXiv:2405.09151 [pdf, other]
Title: Thermodynamics and kinetics of state switching for the asymptotically flat black hole in a cavity
Authors: Ran Li, Jin Wang
Subjects: General Relativity and Quantum Cosmology (gr-qc); Statistical Mechanics (cond-mat.stat-mech); High Energy Physics - Theory (hep-th)
[47]  arXiv:2405.09124 [pdf, other]
Title: A regular center instead of a black bounce
Authors: S.V. Bolokhov, K.A. Bronnikov, M.V. Skvortsova
Comments: 16 pages, 6 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[48]  arXiv:2405.09095 [pdf, other]
Title: Past instability of FLRW solutions of the Einstein-Euler-scalar field equations for linear equations of state $p=Kρ$ with $0 \leq K<1/3$
Authors: Florian Beyer, Elliot Marshall, Todd A. Oliynyk
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[49]  arXiv:2405.08928 [pdf, other]
Title: Constant-roll inflation with a complex scalar field
Authors: Ramón Herrera, Mehdi Shokri, Jafar Sadeghi
Comments: 14 pages, 3 figures, to appear in Annals of Physics
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO)
[50]  arXiv:2405.08895 [pdf, other]
Title: Time Evolution in Canonical Quantum Gravity is Trivial
Authors: Ali Kaya
Comments: 8 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[51]  arXiv:2405.08875 [pdf, ps, other]
Title: Exact analytic photon escape cones and silhouettes for extremal Kerr
Authors: Joshua Baines (Victoria University of Wellington), Matt Visser (Victoria University of Wellington)
Comments: 5 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[52]  arXiv:2405.08872 [pdf, other]
Title: Black hole horizons must be veiled by photon spheres
Authors: Raúl Carballo-Rubio, Astrid Eichhorn
Comments: 10 pages, 2 figures, Honorable Mention in the Gravity Research Foundation 2024 Awards for Essays on Gravitation
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)
[53]  arXiv:2405.08868 [pdf, other]
Title: A Review of Gravitational Memory and BMS Frame Fixing in Numerical Relativity
Authors: Keefe Mitman, Michael Boyle, Leo C. Stein, Nils Deppe, Lawrence E. Kidder, Jordan Moxon, Harald P. Pfeiffer, Mark A. Scheel, Saul A. Teukolsky, William Throwe, Nils L. Vu
Comments: 20 pages, 8 figures. Submitted to CGQ's focus issue: Gravitational-Wave Memory Effects: From Theory to Observation
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[54]  arXiv:2405.08857 [pdf, other]
Title: Rapid parameter estimation for pulsar-timing-array datasets with variational inference and normalizing flows
Authors: Michele Vallisneri, Marco Crisostomi, Aaron D. Johnson, Patrick M. Meyers
Comments: 6 pages, 1 figure
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE); Instrumentation and Methods for Astrophysics (astro-ph.IM)
[55]  arXiv:2405.08846 [pdf, ps, other]
Title: Semiclassical corrections to a regularized Schwarzschild metric
Authors: Hristu Culetu
Comments: Acta Phys.Pol.B 10, 431 (2017)
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[56]  arXiv:2405.09518 (cross-list from hep-th) [pdf, other]
Title: Note on the Taub-NUT Instanton Metric
Authors: Joon-Hwi Kim
Comments: 9 pages, 2 figures
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
[57]  arXiv:2405.09513 (cross-list from astro-ph.HE) [pdf, other]
Title: Gravitational-wave model for neutron star merger remnants with supervised learning
Authors: Theodoros Soultanis, Kiril Maltsev, Andreas Bauswein, Katerina Chatziioannou, Friedrich K. Roepke, Nikolaos Stergioulas
Comments: 20 pages, 12 figures, submitted to Phys. Rev. D
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc)
[58]  arXiv:2405.09473 (cross-list from hep-th) [pdf, ps, other]
Title: Some 1d (Supersymmetric) Quantum Field Theories Reduced from Chern-Simons Gauge Theories
Authors: Burak Oğuz, Bayram Tekin
Comments: 39 pages, no figures
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph)
[59]  arXiv:2405.09323 (cross-list from hep-th) [pdf, other]
Title: Exponential Quintessence: curved, steep and stringy?
Authors: David Andriot, Susha Parameswaran, Dimitrios Tsimpis, Timm Wrase, Ivonne Zavala
Comments: 53 pages + appendices, several figures. A notebook with all figures is provided as an ancillary file
Subjects: High Energy Physics - Theory (hep-th); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
[60]  arXiv:2405.09301 (cross-list from hep-th) [pdf, ps, other]
Title: Vacuum energy in the effective field theory of general relativity with a scalar field
Authors: E. Epelbaum, J. Gegelia, Ulf-G. Meißner, L. Neuhaus
Comments: 4 pages, 1 figure
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
[61]  arXiv:2405.09175 (cross-list from astro-ph.HE) [pdf, other]
Title: Continuum emission from within the plunging region of black hole discs
Authors: Andrew Mummery, Adam Ingram, Shane Davis, Andrew Fabian
Comments: 20 pages, 20 figures, 2 tables. Version to be published in MNRAS. X-ray spectral model available at: this https URL
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc)
[62]  arXiv:2405.08945 (cross-list from hep-th) [pdf, ps, other]
Title: The secret structure of the gravitational vacuum
Authors: Samir D. Mathur
Comments: 14 pages, 5 figures, Essay awarded second prize in the Gravity Research Foundation 2024 Awards for Essays on Gravitation
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
[63]  arXiv:2405.08876 (cross-list from hep-th) [pdf, ps, other]
Title: Gauge-invariant magnetic charges in linearised gravity
Authors: Chris Hull, Maxwell L. Hutt, Ulf Lindström
Comments: 47 pages
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
[64]  arXiv:2405.08874 (cross-list from hep-ph) [pdf, other]
Title: A Dark Matter Fermionic Quantum Fluid from Standard Model Dynamics
Authors: Stephon Alexander, Heliudson Bernardo, Humberto Gilmer
Comments: 5 pages, 6 pages of appendices
Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); Superconductivity (cond-mat.supr-con); General Relativity and Quantum Cosmology (gr-qc)
[65]  arXiv:2405.08862 (cross-list from hep-th) [pdf, other]
Title: Application of positivity bounds in asymptotically safe gravity
Authors: Astrid Eichhorn, Andreas Odgaard Pedersen, Marc Schiffer
Comments: 5 pages plus supplementary material; 2 figures plus 6 figures in supplementary material
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
[66]  arXiv:2405.08860 (cross-list from hep-th) [pdf, other]
Title: Unearthing the intersections: positivity bounds, weak gravity conjecture, and asymptotic safety landscapes from photon-graviton flows
Authors: Benjamin Knorr, Alessia Platania
Comments: 37 pages, 10 figures
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)
[67]  arXiv:2405.08859 (cross-list from hep-ph) [pdf, other]
Title: Multifield Stochastic Dynamics in GUT Hybrid Inflation and Gravitational Wave Signatures of GUT Higgs Representation
Authors: Yuichiro Tada, Masaki Yamada
Comments: 8 pages, 1 figure
Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

Wed, 15 May 2024 (showing first 16 of 39 entries)

[68]  arXiv:2405.08808 [pdf, ps, other]
Title: Mock-local energy density of gravitational waves
Authors: Antoine Rignon-Bret, Simone Speziale
Comments: 11 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[69]  arXiv:2405.08789 [pdf, other]
Title: Computing Fundamental Constants in the FLRW Universe using the Hawking Radiation of the Cosmological Horizon
Authors: Armando Meza Gaxiola, Pablo Padilla Longoria
Comments: 27 pages, 2 figures. arXiv admin note: text overlap with arXiv:1007.4044 by other authors
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[70]  arXiv:2405.08774 [pdf, other]
Title: Generating 4-dimensional Wormholes with Yang-Mills Casimir Sources
Authors: A. C. L. Santos, R. V. Maluf, C. R. Muniz
Comments: 15 pages, 9 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[71]  arXiv:2405.08680 [pdf, other]
Title: Generalized uncertainty principle distorted quintessence dynamics
Authors: Gaurav Bhandari, S. D. Pathak, Manabendra Sharma, Anzhong Wang
Comments: 12. arXiv admin note: text overlap with arXiv:2404.09049
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph); Quantum Physics (quant-ph)
[72]  arXiv:2405.08673 [pdf, other]
Title: Healthy Horndeski gravities with torsion
Authors: S. Mironov, M. Valencia-Villegas
Comments: 21 pages, 13 Figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[73]  arXiv:2405.08670 [pdf, ps, other]
Title: Infrared gravity and a celestial obstruction to monogamy constraints
Authors: Francesco Alessio, Michele Arzano
Comments: 7 pages, no figures. Slightly edited version of the essay selected for a Honorable Mention in the 2024 Gravity Research Foundation Competition
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[74]  arXiv:2405.08659 [pdf, other]
Title: Conformal scattering of the wave equation in the Vaidya spacetime
Authors: Armand Coudray
Subjects: General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph)
[75]  arXiv:2405.08624 [pdf, other]
Title: Primordial black holes, a small review
Authors: Alexandre Arbey
Comments: 8 pages, 7 figures. Contribution to the 2024 Very High Energy Phenomena in the Universe session of the 58th Rencontres de Moriond
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Astrophysical Phenomena (astro-ph.HE)
[76]  arXiv:2405.08563 [pdf, ps, other]
Title: Primordial black holes generated by fast-roll mechanism in non-canonical natural inflation
Authors: Soma Heydari, Kayoomars Karami
Comments: 29 pages, 6 figures, 5 tables
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th)
[77]  arXiv:2405.08522 [pdf, other]
Title: In Search of the Biggest Bangs since the Big Bang
Authors: John Ellis, Malcolm Fairbairn, Juan Urrutia, Ville Vaskonen
Comments: Awarded Fourth Prize in the 2024 Gravity Research Foundation Competition for Essays on Gravitation
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); High Energy Astrophysical Phenomena (astro-ph.HE)
[78]  arXiv:2405.08354 [pdf, ps, other]
Title: Fuzzy Dark Matter Less-complex Wormhole Structures in Extended Theories of Gravity
Authors: Z. Yousaf, Kazuharu Bamba, Bander Almutairi, M. Z. Bhatti, M. Rizwan
Comments: 25 pages, 16 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th)
[79]  arXiv:2405.08335 [pdf, other]
Title: A Comparative Study of Shadows of Magnetized and Non-Magnetized Singularities
Authors: Amee Bhatt
Comments: 6 pages, & figues
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)
[80]  arXiv:2405.08309 [pdf, ps, other]
Title: Neutral test particle dynamics around the Bardeen-AdS black hole surrounded by quintessence dark energy
Authors: Jiayu Xie, Bing Tang
Comments: arXiv admin note: text overlap with arXiv:1605.09506 by other authors
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[81]  arXiv:2405.08303 [pdf, ps, other]
Title: Second-Order Bi-Scalar-Tensor Field Equations in a Space of Four-Dimensions
Authors: Gregory W. Horndeski
Comments: 55 pages with no figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[82]  arXiv:2405.08262 [pdf, ps, other]
Title: Quasinormal modes of charged black holes in Asymptotically Safe Gravity
Authors: Alexey Dubinsky
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[83]  arXiv:2405.08241 [pdf, other]
Title: Thermodynamics of AdS-Schwarzschild-like black hole in loop quantum gravity
Authors: Rui-Bo Wang, Shi-Jie Ma, Lei You, Yu-Cheng Tang, Yu-Hang Feng, Xian-Ru Hu, Jian-Bo Deng
Comments: 23 pages, 4 figures, 1 table
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[ total of 159 entries: 1-50 | 34-83 | 84-133 | 134-159 ]
[ showing 50 entries per page: fewer | more | all ]

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