General Relativity and Quantum Cosmology

Authors and titles for December 2022

[301] arXiv:2212.00531 (cross-list from astro-ph.CO) [pdf, other]

Title: Synergy between CSST galaxy survey and gravitational-wave observation: Inferring the Hubble constant from dark standard sirens

Ji-Yu Song, Ling-Feng Wang, Yichao Li, Ze-Wei Zhao, Jing-Fei Zhang, Wen Zhao, Xin Zhang

Comments: 13 pages, 5 figures; accepted for publication in Science China Physics, Mechanics & Astronomy

Journal-ref: Sci. China-Phys. Mech. Astron. 67, 230411 (2024)

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[302] arXiv:2212.00686 (cross-list from cond-mat.str-el) [pdf, other]

Title: Supergravity model of the Haldane-Rezayi fractional quantum Hall state

Dung Xuan Nguyen, Kartik Prabhu, Ajit C. Balram, Andrey Gromov

Comments: v2: new appendix B deriving the explicit action, updated references, matches published version. v1: 11 pages 1 figure. Comments are welcome

Journal-ref: Phys. Rev. B 107, 125119 (2023)

Subjects: Strongly Correlated Electrons (cond-mat.str-el); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)

[303] arXiv:2212.00775 (cross-list from astro-ph.CO) [pdf, other]

Title: Distinct signatures of spinning PBH domination and evaporation: doubly peaked gravitational waves, dark relics and CMB complementarity

Nilanjandev Bhaumik, Anish Ghoshal, Rajeev Kumar Jain, Marek Lewicki

Comments: v1: 32 pages, 10 Figures; v2: 33 pages, 10 Figures, minor changes, version accepted for publication in JHEP

Journal-ref: JHEP 05 (2023) 169

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[304] arXiv:2212.00791 (cross-list from astro-ph.CO) [pdf, other]

Title: Varying alpha, blinding, and bias in existing measurements

Chung-Chi Lee, John K. Webb, Robert F. Carswell, Vladimir A. Dzuba, Victor V. Flambaum, Dinko Milaković

Comments: 17 pages, 7 figures, and 5 tables. Submitted to MNRAS 1 Dec 2022

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); Data Analysis, Statistics and Probability (physics.data-an)

[305] arXiv:2212.00861 (cross-list from hep-th) [pdf, other]

Title: Asymptotically nonlocal gravity

Jens Boos, Christopher D. Carone

Comments: 18 pages LaTeX, 1 Figure. v2: references added. v3: Discussion clarified and references added

Journal-ref: JHEP 06, 17 (2023)

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

[306] arXiv:2212.00901 (cross-list from hep-th) [pdf, other]

Title: The Vacuum Energy Density and Gravitational Entropy

Laurent Freidel, Jerzy Kowalski-Glikman, Robert G. Leigh, Djordje Minic

Comments: 6 pages

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

[307] arXiv:2212.01125 (cross-list from hep-th) [pdf, other]

Title: $\kappa$-Galilean and $\kappa$-Carrollian noncommutative spaces of worldlines

Angel Ballesteros, Giulia Gubitosi, Ivan Gutierrez-Sagredo, Francisco J. Herranz

Journal-ref: Phys. Lett. B 838 (2023) 137735

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

[308] arXiv:2212.01135 (cross-list from hep-th) [pdf, other]

Title: Kaluza-Klein Spectrometry beyond Consistent Truncations: The Squashed $S^7$

Bastien Duboeuf, Emanuel Malek, Henning Samtleben

Comments: 27 pages. v2: minor changes and added fermionic spectra of ${\cal N}=0$ squashed $S^7$. v3: typos corrected

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

[309] arXiv:2212.01190 (cross-list from astro-ph.CO) [pdf, other]

Title: Scalar-Induced Gravitational Waves in a $\Lambda$CDM Cosmology

Marvin Sipp (1, 2), Bjoern Malte Schaefer (2) ((1) ITP Heidelberg, (2) ZAH Heidelberg)

Comments: 12 pages, 4 figures; v3: minor improvements, conclusions unchanged; accepted by PRD on 17 Feb 2023

Journal-ref: Phys. Rev. D 107, 063538 (2023)

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

[310] arXiv:2212.01398 (cross-list from hep-th) [pdf, other]

Title: Complex geodesics in de Sitter space

Shira Chapman, Damián A. Galante, Eleanor Harris, Sameer U. Sheorey, David Vegh

Comments: 20+13 pages, 5 figures. v2: updated refs to match published version

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

[311] arXiv:2212.01409 (cross-list from math.NA) [pdf, other]

Title: A Finite Element Method for Angular Discretization of the Radiation Transport Equation on Spherical Geodesic Grids

Maitraya K Bhattacharyya, David Radice

Comments: 24 pages, 13 figures

Subjects: Numerical Analysis (math.NA); High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc); Computational Physics (physics.comp-ph)

[312] arXiv:2212.01520 (cross-list from hep-th) [pdf, other]

Title: Quantum Fluctuations of Fields and Stress Tensors

L. H. Ford

Comments: 23 pages, 3 figures

Journal-ref: Int. J. Modern Physics A 37 no19 224013 (2022)

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

[313] arXiv:2212.01608 (cross-list from quant-ph) [pdf, html, other]

Title: Refractive index profiles for a $\mathcal{PT}$-symmetric optical structure

Bijan Bagchi, Rahul Ghosh, Sauvik Sen

Comments: 10 pages; 3 figures. Accepted for publication in Mod. Phys. Lett. A

Journal-ref: Mod. Phys. Lett. A39, 2450082 (2024)

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

[314] arXiv:2212.01974 (cross-list from astro-ph.CO) [pdf, other]

Title: An exponential equation of state of dark energy in the light of 2018 CMB Planck data

Mónica N. Castillo-Santos, A. Hernández-Almada, Miguel A. García-Aspeitia, Juan Magaña

Comments: Accepted in Physics of Dark Universe

Journal-ref: Physics of the Dark Universe 40 (2023) 101225

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

[315] arXiv:2212.01986 (cross-list from hep-th) [pdf, other]

Title: Holographic superfluid with gauge-axion coupling

Yan Liu, Xi-Jing Wang, Jian-Pin Wu, Xin Zhang

Comments: 23 pages,7 figures. Published version

Journal-ref: Eur.Phys.J.C 83 (2023) 8, 748

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

[316] arXiv:2212.02065 (cross-list from astro-ph.IM) [pdf, other]

Title: Searching for Intelligent Life in Gravitational Wave Signals Part I: Present Capabilities and Future Horizons

Luke Sellers, Alexey Bobrick, Gianni Martire, Michael Andrews, Manfred Paulini

Comments: 20 pages, 12 figures, submitted to MNRAS, comments welcome

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

[317] arXiv:2212.02203 (cross-list from astro-ph.CO) [pdf, other]

Title: Hubble constant by natural selection: Evolution chips in the Hubble tension

Reginald Christian Bernardo, You-Ru Lee

Comments: 14 pages + refs, 7 figures, v3: discussion improved, new section added on ABC prior dependence, to appear in ASCOM, our codes in this https URL

Journal-ref: Astronomy and Computing 44 (2023) 100740

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

[318] arXiv:2212.02259 (cross-list from hep-th) [pdf, other]

Title: A Gravity-Consistent Confinement of Fermions in Braneworld

L. F. F. Freitas, I. C. Jardim, G. Alencar, R. R. Landim

Comments: 28 pages, 2 figures; We add a new subsection in section VI

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

[319] arXiv:2212.02312 (cross-list from physics.optics) [pdf, other]

Title: Microscopic study of effective 2+1 dimensional gravity in ferrofluid-based hyperbolic metamaterials

Vera N. Smolyaninova, Jonathon Cartelli, Nathaniel Christopher, Benjamin Kist, Jonathan Perry, Stephanie Spickard, Mary Sajini Devadas, Igor I. Smolyaninov

Comments: 17 pages, 4 figures

Subjects: Optics (physics.optics); General Relativity and Quantum Cosmology (gr-qc)

[320] arXiv:2212.02316 (cross-list from hep-th) [pdf, other]

Title: Quantum perturbative solutions of extended Snyder and Yang models with spontaneous symmetry breaking

Jerzy Lukierski, Stjepan Meljanac, Salvatore Mignemi, Anna Pachoł

Comments: 11 pages; published version

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

[321] arXiv:2212.02360 (cross-list from hep-th) [pdf, other]

Title: Hall effects in Carroll dynamics

L.Marsot, P.-M. Zhang, M. Chernodub, P.A. Horvathy

Comments: Thoroughly revised and extended version. 120 pages,13 figures

Subjects: High Energy Physics - Theory (hep-th); Other Condensed Matter (cond-mat.other); General Relativity and Quantum Cosmology (gr-qc)

[322] arXiv:2212.02447 (cross-list from hep-th) [pdf, other]

Title: Microscopic origin of the entropy of black holes in general relativity

Vijay Balasubramanian, Albion Lawrence, Javier M. Magan, Martin Sasieta

Comments: 46 pages + appendices. v4: minor edits, added references

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

[323] arXiv:2212.02511 (cross-list from hep-th) [pdf, html, other]

Title: Gravity from thermodynamics: optimal transport and negative effective dimensions

G. Bruno De Luca, Nicolò De Ponti, Andrea Mondino, Alessandro Tomasiello

Comments: 57 pages + 4 appendices, 4 figures. v2: expanded introduction and comments on the Casimir vacuum. v3: clarification on the agreement of the Casimir vacuum with conjectured bounds

Journal-ref: SciPost Phys. 15, 039 (2023)

Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc); Mathematical Physics (math-ph); Differential Geometry (math.DG); Metric Geometry (math.MG)

[324] arXiv:2212.02535 (cross-list from hep-th) [pdf, other]

Title: Large Deviations in the Early Universe

Timothy Cohen, Daniel Green, Akhil Premkumar

Comments: 32 pages + references, 3 figures. v2: typos corrected, published version

Journal-ref: Phys.Rev.D 107 (2023) 8, 083501

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

[325] arXiv:2212.02559 (cross-list from hep-th) [pdf, other]

Title: On Causality Conditions in de Sitter Spacetime

Noah Bittermann, Daniel McLoughlin, Rachel A. Rosen

Comments: 17 pages, 7 figures

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

[326] arXiv:2212.02566 (cross-list from hep-th) [pdf, other]

Title: Asymptotic symmetries in Bondi gauge and the sub-subleading soft graviton theorem

Bart Horn

Comments: 21 pages, no figures

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

[327] arXiv:2212.02816 (cross-list from hep-th) [pdf, other]

Title: Energy of Decomposition and Entanglement Thermodynamics for $T^2$-deformation

Kuroush Allameh, Amin Faraji Astaneh

Comments: 16 pages, published version

Subjects: High Energy Physics - Theory (hep-th); Statistical Mechanics (cond-mat.stat-mech); General Relativity and Quantum Cosmology (gr-qc)

[328] arXiv:2212.02820 (cross-list from hep-th) [pdf, other]

Title: The Lamb shift in the BTZ spacetime

Yaqian Yu, Jialin Zhang, Hongwei Yu

Comments: 21 pages,2 figures

Journal-ref: JHEP 03 (2023) 209

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

[329] arXiv:2212.02852 (cross-list from astro-ph.GA) [pdf, other]

Title: Impact of combinations of time-delay interferometry channels on stochastic gravitational wave background detection

Zheng-Cheng Liang, Zhi-Yuan Li, Jun Cheng, En-Kun Li, Jian-dong Zhang, Yi-Ming Hu

Comments: 18 pages,10 figures

Journal-ref: Phys.Rev.D 107 (2023) 8, 083033

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

[330] arXiv:2212.02938 (cross-list from hep-th) [pdf, other]

Title: Spontaneous Symmetry Breaking and the Cosmological Constant

J. Gamboa, J. Lopez-Sarrion, F. Mendez, N. Tapia-Arellano

Comments: 7 pages, 1 figure

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

[331] arXiv:2212.02944 (cross-list from physics.hist-ph) [pdf, other]

Title: First-Class Constraints, Gauge Transformations, de-Ockhamization, and Triviality: Replies to Critics, Or, How (Not) to Get a Gauge Transformation from a Second-Class Primary Constraint

J. Brian Pitts

Subjects: History and Philosophy of Physics (physics.hist-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[332] arXiv:2212.02958 (cross-list from hep-th) [pdf, other]

Title: On emergent conformal symmetry near the photon ring

Bin Chen, Yehui Hou, Zezhou Hu

Comments: 15 pages, minor revisions; Presentation improved, published version

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

[333] arXiv:2212.03020 (cross-list from hep-ph) [pdf, other]

Title: Observing axions through photon ring dimming of black holes

Kimihiro Nomura, Kaishu Saito, Jiro Soda

Comments: 18 pages, 4 figures

Journal-ref: Phys. Rev. D 107, 123505 (2023)

Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[334] arXiv:2212.03052 (cross-list from hep-ph) [pdf, other]

Title: Gravitational corrections to electroweak vacuum decay: metric vs. Palatini

Ioannis D. Gialamas, Alexandros Karam, Thomas D. Pappas

Comments: typos corrected

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

[335] arXiv:2212.03060 (cross-list from hep-th) [pdf, other]

Title: $p$-Forms on the Celestial Sphere

Laura Donnay, Erfan Esmaeili, Carlo Heissenberg

Comments: 56 pages + references

Journal-ref: SciPost Phys. 15, 026 (2023)

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

[336] arXiv:2212.03134 (cross-list from hep-th) [pdf, other]

Title: Thermodynamics and evaporation of a modified Schwarzschild black hole in a non--commutative gauge theory

A. A. Araújo Filho, S. Zare, P. J. Porfírio, J. Kříž, H. Hassanabadi

Comments: 14 pages

Journal-ref: Physics Letters B, 137744, 2023

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

[337] arXiv:2212.03193 (cross-list from hep-th) [pdf, other]

Title: A note on the bulk interpretation of the Quantum Extremal Surface formula

Gabriel Wong

Comments: some typos fixed, references added

Journal-ref: JHEP 04 (2024) 024

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

[338] arXiv:2212.03234 (cross-list from astro-ph.CO) [pdf, other]

Title: Spatially Homogeneous Universes with Late-Time Anisotropy

Andrei Constantin, Thomas R. Harvey, Sebastian von Hausegger, Andre Lukas

Journal-ref: Class. Quantum Grav. (2023) 40 245015

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

[339] arXiv:2212.03262 (cross-list from hep-th) [pdf, other]

Title: Negative Corrections to Black Hole Entropy from String Theory

Liang Ma, Yi Pang, H. Lu

Comments: Latex, 12 pages, 4 graphs grouped into 1 figure, correct a crucial typo

Journal-ref: Sci.China Phys.Mech.Astron. 66 (2023) 12, 121011

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

[340] arXiv:2212.03269 (cross-list from hep-th) [pdf, html, other]

Title: Q-ball Superradiance

Paul M. Saffin, Qi-Xin Xie, Shuang-Yong Zhou

Comments: 9 pages, 12 figures. Published version in PRL

Journal-ref: Phys.Rev.Lett. 131 (2023) 11, 111601

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

[341] arXiv:2212.03403 (cross-list from astro-ph.CO) [pdf, other]

Title: Generation of primordial black holes from an inflation model with modified dispersion relation

Taotao Qiu, Wenyi Wang, Ruifeng Zheng

Comments: 13 pages, 5 figures

Journal-ref: Phys. Rev. D 107, 083018 (2023)

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)

[342] arXiv:2212.03446 (cross-list from hep-th) [pdf, other]

Title: CDT and Horava-Lifshitz QG in Two Dimensions

Yuki Sato

Comments: Invited chapter for the "Handbook of Quantum Gravity" (Eds. C. Bambi, L. Modesto and I.L. Shapiro, Springer Singapore, expected in 2023); v2: references added, minor typos corrected; v3: minor corrections

Journal-ref: In: Bambi, C., Modesto, L., Shapiro, I. (eds) Handbook of Quantum Gravity. Springer, Singapore (2023)

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

[343] arXiv:2212.03458 (cross-list from hep-th) [pdf, html, other]

Title: Covariant action for M5 brane in nonrelativistic M-theory

Dibakar Roychowdhury

Comments: v4, title changed, the presentation has been substantially revised and previous errors were removed, Accepted for Publication In Nuclear Physics B

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

[344] arXiv:2212.03479 (cross-list from hep-ph) [pdf, other]

Title: Scattering of neutrinos by a rotating black hole accounting for the electroweak interaction with an accretion disk

Maxim Dvornikov (IZMIRAN)

Comments: 14 pages in World Scientific LaTeX style, 14 eps figures; minimal changes, version to be published in special issue of Int.J.Mod.Phys.D

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

[345] arXiv:2212.03577 (cross-list from astro-ph.CO) [pdf, other]

Title: Primordial black holes generated by the non-minimal spectator field

De-Shuang Meng, Chen Yuan, Qing-Guo Huang

Comments: 15 pages and 4 figures; clarifications and refs added

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)

[346] arXiv:2212.03703 (cross-list from hep-th) [pdf, other]

Title: Quantum particles in non-commutative space-time: an identity crisis

Michele Arzano, Jerzy Kowalski-Glikman

Comments: 14 pages, no figures

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

[347] arXiv:2212.03706 (cross-list from physics.class-ph) [pdf, other]

Title: A Revisit to Lorentz Transformation without Light

Satadal Datta

Subjects: Classical Physics (physics.class-ph); General Relativity and Quantum Cosmology (gr-qc)

[348] arXiv:2212.03728 (cross-list from astro-ph.CO) [pdf, other]

Title: The cosmological evolution condition of the Planck constant in the varying speed of light models through adiabatic expansion

Seokcheon Lee

Comments: version 3 to match the version accepted by PDU. 14 pages, 2 tables

Journal-ref: Physics of the Dark Universe Physics of the Dark Universe, Volume 42, December 2023, 101286

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

[349] arXiv:2212.03808 (cross-list from hep-th) [pdf, other]

Title: Two-dimensional regular string black hole via complete $\alpha^{\prime}$ corrections

Shuxuan Ying

Comments: V1: 6 pages, 2 figures; V2: 7 pages, 2 figures, typos corrected, version to appear in Eur. Phys. J. C

Journal-ref: Eur. Phys. J. C (2023) 83:577

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

[350] arXiv:2212.03855 (cross-list from astro-ph.HE) [pdf, other]

Title: Detectability of Sub-Solar Mass Neutron Stars Through a Template Bank Search

Ananya Bandopadhyay, Brendan Reed, Surendra Padamata, Erick Leon, C.J. Horowitz, Duncan A. Brown, David Radice, F. J. Fattoyev, J. Piekarewicz

Comments: 12 pages, 7 figures, supplemental materials at this https URL

Journal-ref: Phys. Rev. D 107, 103012 (2023)

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