General Relativity and Quantum Cosmology

Authors and titles for Feb 2024

[1]  arXiv:2402.00055 [pdf, ps, other]

Title: Accelerating Universe in Terms of Hankel Function Index

Authors: K. Suratgar, M. Mohsenzadeh, E. Yusofi, F. Taghizadeh-Farahmand

Comments: 11 pages, 2 tables

Journal-ref: Modern Physics Letters A, 2024

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[2]  arXiv:2402.00061 [pdf, ps, other]

Title: Stabilization of spherically symmetric static Boson stars by Coleman-Weinberg self-interaction potential

Authors: Firoozeh Eidizade, Hossein Ghaffarnejad

Comments: 15 page, 2 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[3]  arXiv:2402.00062 [pdf, other]

Title: High regularity waves on self-similar naked singularity interiors: decay and the role of blue-shift

Authors: Jaydeep Singh

Comments: 77 pages, 6 Figures. Comments are welcome

Subjects: General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph); Analysis of PDEs (math.AP)

[4]  arXiv:2402.00081 [pdf, ps, other]

Title: Comment on "The Tully-Fisher law and dark matter effects derived via modified symmetries" by Arraut Ivan

Authors: L. Filipe O. Costa, F. Frutos-Alfaro, José Natário, Michael Soffel

Comments: 2 pages, no figures. Two minor typos in the text corrected, matches the final published version

Journal-ref: EPL 146 (2024) 19002

Subjects: General Relativity and Quantum Cosmology (gr-qc); Astrophysics of Galaxies (astro-ph.GA); High Energy Physics - Theory (hep-th)

[5]  arXiv:2402.00088 [pdf, other]

Title: Relativistic quantum oscillator under rainbow gravity's effects in traversable wormhole with disclination

Authors: Abdullah Guvendi, Faizuddin Ahmed

Comments: 16 pages; 7 figures; accepted in IJMPA (this https URL)

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Quantum Physics (quant-ph)

[6]  arXiv:2402.00140 [pdf, ps, other]

Title: Holomorphic gravity and its regularization of Locally Signed Coordinate Invariance

Authors: Eduardo Guendelman

Comments: Awarded Honorable mention by the Gravity Research Foundation 2024 Awards for Essays on Gravitation, 12 pages. submitted to IJMPD. arXiv admin note: substantial text overlap with arXiv:2304.04056, arXiv:2308.09246

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[7]  arXiv:2402.00141 [pdf, other]

Title: Unimodular gravity as an initial value problem

Authors: J.E. Herrera, Y. Bonder

Comments: 8+1 pages. Accepted in PRD

Journal-ref: Phys. Rev. D 109, 104025 (2024)

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[8]  arXiv:2402.00333 [pdf, other]

Title: Constraining the Yukawa Gravity with Post Newtonian Approximation using S-star Orbits around the Supermassive Black Hole in our Galactic Center

Authors: Yuan Tan, Youjun Lu

Comments: 15 pages, 8 figures, accepted for publication in Phys. Rev. D

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE)

[9]  arXiv:2402.00432 [pdf, other]

Title: Density fluctuations for Squeezed Number State and Coherent Squeezed Number State in Flat FRW Universe

Authors: Dhwani Gangal, Sudhava Yadav, K.K.Venkataratnam

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[10]  arXiv:2402.00604 [pdf, other]

Title: Analytically Separating the Source of the Teukolsky Equation

Authors: Andrew Spiers

Comments: 18 pages, 5 figures, accompanying Mathematica notebook available at this https URL Formerly titled: "Efficiently Separating the Source of the Teukolsky Equation"

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[11]  arXiv:2402.00785 [pdf, ps, other]

Title: Apparent Dark Matter Inspired by Einstein Equation of State

Authors: Kimet Jusufi, Ahmad Sheykhi

Comments: 8 pages

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[12]  arXiv:2402.00813 [pdf, other]

Title: Impact of anti-symmetric contributions to signal multipoles in the measurement of black-hole spins

Authors: Panagiota Kolitsidou, Jonathan E. Thompson, Mark Hannam

Comments: 14 pages, 8 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[13]  arXiv:2402.00844 [pdf, other]

Title: Kinematic reconstruction of torsion as dark energy in Friedmann cosmology

Authors: A. M. Vicente, J. F. Jesus, S. H. Pereira

Comments: 19 pages, 6 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[14]  arXiv:2402.01136 [pdf, other]

Title: Gauss's Law and a Gravitational Wave

Authors: Olamide Odutola, Arundhati Dasgupta

Comments: Accepted to Universe as a Communication

Journal-ref: Universe. 2024; 10(2):65

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[15]  arXiv:2402.01192 [pdf, other]

Title: Kerr-scalaron metric and astronomical consequences near the Galactic Center black hole

Authors: Debojit Paul, Pranjali Bhattacharjee, Sanjeev Kalita

Comments: 22 pages, 14 figures, Accepted for publication in ApJ

Journal-ref: ApJ 964 127 (2024)

Subjects: General Relativity and Quantum Cosmology (gr-qc); Astrophysics of Galaxies (astro-ph.GA)

[16]  arXiv:2402.01270 [pdf, other]

Title: Dynamical system analysis in descending dark energy model

Authors: M. Shahalam, Sania Ayoub, Prakarshi Avlani, R. Myrzakulov

Comments: 7 pages and 1 figure

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[17]  arXiv:2402.01290 [pdf, other]

Title: A Beginner's Guide to Black Hole Imaging and Associated Tests of General Relativity

Authors: Alexandru Lupsasca, Daniel R. Mayerson, Bart Ripperda, Seppe Staelens

Comments: 45 pages (+ appendix and references). Invited chapter for the forthcoming book "Recent Progress on Gravity Tests" (eds. C. Bambi and A. C\'ardenas-Avenda\~no, Springer Singapore)

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Theory (hep-th)

[18]  arXiv:2402.01487 [pdf, other]

Title: Disformal gravitational waves

Authors: Jibril Ben Achour, Mohammad Ali Gorji, Hugo Roussille

Comments: 4 pages, 1 figure

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[19]  arXiv:2402.01548 [pdf, ps, other]

Title: Gravitational lensing of massive particles by a black-bounce-Schwarzschild black hole

Authors: Guansheng He, Yi Xie, Chunhua Jiang, Wenbin Lin

Comments: 29 pages, 9 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[20]  arXiv:2402.01634 [pdf, other]

Title: Tidal Forces in Majumdar-Papapetrou Spacetimes

Authors: Eduardo Albacete, Maurício Richartz

Comments: 16 pages, 12 figures; v2: references added

Journal-ref: Universe 2024, 10, 62

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[21]  arXiv:2402.01780 [pdf, other]

Title: Late time phantom characteristic of the model in $f(R,T)$ gravity with quadratic curvature term

Authors: Shaily, Akanksha Singh, J. K. Singh, Saibal Ray

Comments: 14 pages, 12 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[22]  arXiv:2402.01818 [pdf, other]

Title: Studying the Behavior of Radial Free Geodesics in ΛCDM Model

Authors: Omar Nemoul, Hichem Guergouri, Jamal Mimouni

Comments: 28 pages, 6 figures, and 1 table

Subjects: General Relativity and Quantum Cosmology (gr-qc)

[23]  arXiv:2402.01819 [pdf, other]

Title: Fast LISA likelihood approximations by downsampling

Authors: Jethro Linley

Comments: 27 pages, 4 figures

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE); Instrumentation and Methods for Astrophysics (astro-ph.IM)

[24]  arXiv:2402.01838 [pdf, other]

Title: Primordial black hole capture, gravitational wave beats, and the nuclear equation of state

Authors: Thomas W. Baumgarte, Stuart L. Shapiro

Comments: 11 pages (including 5 pages of supplemental material), 1 figure

Subjects: General Relativity and Quantum Cosmology (gr-qc); High Energy Astrophysical Phenomena (astro-ph.HE); Nuclear Theory (nucl-th)

[25]  arXiv:2402.01992 [pdf, ps, other]

Title: Second Response to the critique of "Cotton Gravity''

Authors: R.A. Sussman, C.A. Mantica, L.G. Molinari, S. Nájera

Comments: 2 pages, 6 references

Subjects: General Relativity and Quantum Cosmology (gr-qc); Astrophysics of Galaxies (astro-ph.GA)