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General Relativity and Quantum Cosmology

Authors and titles for recent submissions

[ total of 137 entries: 1-25 | 26-50 | 51-75 | 76-100 | ... | 126-137 ]
[ showing 25 entries per page: fewer | more | all ]

Fri, 19 Apr 2024 (showing first 25 of 33 entries)

[1]  arXiv:2404.12373 [pdf, ps, other]
Title: Sound speed as a source of the gravitational field in modified gravity
Authors: P. P. Avelino
Comments: 4 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO)
[2]  arXiv:2404.12243 [pdf, ps, other]
Title: A non-singular universe out of Hayward black hole
Authors: Michał Bobula
Comments: 5 pages, 2 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[3]  arXiv:2404.12223 [pdf, other]
Title: Images of Kerr-MOG black holes surrounded by geometrically thick magnetized equilibrium tori
Authors: Zelin Zhang, Songbai Chen, Jiliang Jing
Comments: 13 pages,7 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); Astrophysics of Galaxies (astro-ph.GA)
[4]  arXiv:2404.12194 [pdf, ps, other]
Title: Revisiting Buchdahl transformations: New static and rotating black holes in vacuum, double copy, and hairy extensions
Authors: José Barrientos, Adolfo Cisterna, Mokhtar Hassaine, Julio Oliva
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[5]  arXiv:2404.12126 [pdf, other]
Title: Improving inference on neutron star properties using information from binary merger remnants
Authors: Tamanna Jain, Michalis Agathos
Comments: 5 figures and 2 tables
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)
[6]  arXiv:2404.12028 [pdf, other]
Title: Deep learning to detect gravitational waves from binary close encounters: Fast parameter estimation using normalizing flows
Authors: Federico De Santi, Massimiliano Razzano, Francesco Fidecaro, Luca Muccillo, Lucia Papalini, Barbara Patricelli
Comments: 49 pages, 14 figures, accepted for publication in Physical Review D (PRD)
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[7]  arXiv:2404.11984 [pdf, other]
Title: Particle motion around traversable wormholes: Possibility of closed timelike geodesics
Authors: Ayanendu Dutta, Dhritimalya Roy, Subenoy Chakraborty
Comments: 12 pages, 7 figures, 1 table. Accepted in New Astronomy
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[8]  arXiv:2404.11975 [pdf, ps, other]
Title: Analytical calculation of Kerr and Kerr-Ads black holes in $f(R)$ theory
Authors: Ping Li, Yong-qiang Liu, Jiang-he Yang, Siwei Xu, Xiang-hua Zhai
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[9]  arXiv:2404.11931 [pdf, other]
Title: Entanglement generation between two comoving Unruh-DeWitt detectors in the cosmological de Sitter spacetime
Authors: Sourav Bhattacharya, Shagun Kaushal
Comments: 23 pages, 5 figs
Subjects: General Relativity and Quantum Cosmology (gr-qc); Quantum Physics (quant-ph)
[10]  arXiv:2404.11919 [pdf, other]
Title: Does spacetime have memories? Searching for gravitational-wave memory in the third LIGO-Virgo-KAGRA gravitational-wave transient catalogue
Authors: Shun Yin Cheung, Paul D. Lasky, Eric Thrane
Comments: 9 pages, 5 figures. Accepted for publication
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[11]  arXiv:2404.11913 [pdf, ps, other]
Title: General Relativity from Intersection Theory
Authors: Hjalte Frellesvig, Toni Teschke
Comments: Ten pages, two figures
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[12]  arXiv:2404.11910 [pdf, other]
Title: Even-parity stability of hairy black holes in $U(1)$ gauge-invariant scalar-vector-tensor theories
Authors: Chao Zhang, Ryotaro Kase
Comments: 30 pages, 4 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[13]  arXiv:2404.11904 [pdf, other]
Title: Inflationary dynamics in modified gravity models
Authors: R. R. Cuzinatto, L. G. Medeiros
Comments: 11 pages, 4 figures. Chapter in: "Tribute to Ruben Aldrovandi", F. Caruso, J.G. Pereira, A. Santoro (eds.) (Editora Livraria da F\'isica, S\~ao Paulo, 2024), pages 135-151
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[14]  arXiv:2404.11801 [pdf, other]
Title: Semiclassical bremsstrahlung from a charge radially falling into a Schwarzschild black hole
Authors: João P. B. Brito, Rafael P. Bernar, Atsushi Higuchi, Luís C. B. Crispino
Comments: 17 pages, 15 figures, published version
Journal-ref: Phys. Rev. D 109, 084041, 2024
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)
[15]  arXiv:2404.11723 [pdf, other]
Title: Finslerian extension of an anisotropic strange star in the domain of modified gravity
Authors: Sourav Roy Chowdhury, Debabrata Deb, Farook Rahaman, Saibal Ray
Comments: Accepted for publication in EPJC
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[16]  arXiv:2404.11719 [pdf, other]
Title: Detecting gravitational wave signals using a flexible model for the amplitude and frequency evolution
Authors: Toral Gupta, Neil Cornish
Comments: 13 pages, 12 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[17]  arXiv:2404.11703 [pdf, ps, other]
Title: Cosmological Solutions in Polynomial Affine Gravity with Torsion
Authors: Oscar Castillo-Felisola, Bastian Grez, Gonzalo J. Olmo, Oscar Orellana, José Perdiguero Gárate
Comments: EPJC format, 10 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)
[18]  arXiv:2404.11670 [pdf, other]
Title: Boltzmannian state counting for Black Hole Entropy in Causal Set Theory
Authors: Vid Homšak, Stefano Veroni
Comments: 18 pages, 9 figures
Subjects: General Relativity and Quantum Cosmology (gr-qc)
[19]  arXiv:2404.11632 [pdf, ps, other]
Title: Invariant nature of Raychaudhuri equation in the presence of Inflaton fields
Authors: Arijit Panda, Debashis Gangopadhyay, Goutam Manna
Comments: 5 pages
Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)
[20]  arXiv:2404.12351 (cross-list from astro-ph.CO) [pdf, other]
Title: Gravitational wave luminosity distance-weighted anisotropies
Authors: A. Begnoni, L. Valbusa Dall Armi, D. Bertacca, A. Raccanelli
Comments: 23 pages, 7 figures (+ appendices)
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)
[21]  arXiv:2404.12344 (cross-list from astro-ph.CO) [pdf, other]
Title: Modeling nonlinear scales with COLA: preparing for LSST-Y1
Authors: Jonathan Gordon, Bernardo F. de Aguiar, João Rebouças, Guilherme Brando, Felipe Falciano, Vivian Miranda, Kazuya Koyama, Hans A. Winther
Comments: 18 pages, 14 figures, 8 tables
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)
[22]  arXiv:2404.12294 (cross-list from stat.ML) [pdf, other]
Title: floZ: Evidence estimation from posterior samples with normalizing flows
Authors: Rahul Srinivasan, Marco Crisostomi, Roberto Trotta, Enrico Barausse, Matteo Breschi
Comments: 10 pages, 4 figures, 1 table
Subjects: Machine Learning (stat.ML); Cosmology and Nongalactic Astrophysics (astro-ph.CO); Machine Learning (cs.LG); General Relativity and Quantum Cosmology (gr-qc)
[23]  arXiv:2404.12248 (cross-list from physics.hist-ph) [pdf, other]
Title: The quantum gravity seeds for laws of nature
Authors: Vincent Lam, Daniele Oriti
Comments: 19 pages, 5 figures
Subjects: History and Philosophy of Physics (physics.hist-ph); General Relativity and Quantum Cosmology (gr-qc)
[24]  arXiv:2404.12140 (cross-list from astro-ph.CO) [pdf, other]
Title: Data reconstruction of the dynamical connection function in $f(Q)$ cosmology
Authors: Yuhang Yang, Xin Ren, Bo Wang, Yi-Fu Cai, Emmanuel N. Saridakise
Comments: 19 pages, 5 figures
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
[25]  arXiv:2404.12102 (cross-list from hep-th) [pdf, ps, other]
Title: Functional formulation of quantum theory of a scalar field in a metric with Lorentzian and Euclidean signatures
Authors: Z. Haba
Comments: 67 pages
Journal-ref: Entropy 2024,26,329
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph)
[ total of 137 entries: 1-25 | 26-50 | 51-75 | 76-100 | ... | 126-137 ]
[ showing 25 entries per page: fewer | more | all ]

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