Constraining Modified Mass-to-Horizon Cosmology Through Primordial Inflationary ObservablesWe investigate slow-roll inflation in a modified cosmological framework inspired by a generalized mass-to-horizon relation (MHR), M=γc2 Ln/G, where n is a real parameter and γ a…A. Sheykhi, G. G. Luciano, A. Benkrane·Sep 10, 2026SaveLearn
Quasi-isotropic Asymptotic Expansions in Varying Speed of Light CosmologiesWe generalize the quasi-isotropic solution of the Einstein equations near a cosmological initial singularity to models with a varying speed of light and/or a varying gravitational 'constant'.…Dimitrios Trachilis·Sep 10, 2026SaveLearn
Electrovacuum Black Hole UniquenessWe prove the black hole uniqueness conjecture in the axially symmetric, stationary, electrovacuum setting, subject to the refined asymptotic analysis of the associated singular harmonic maps, which…Qing Han, Marcus Khuri, Gilbert Weinstein et al.·Sep 10, 2026SaveLearn
WKB approximation for quasi-bound states and trapped modesWe develop a largely automatic semi-analytic method for calculating weakly damped quasi-bound states and trapped modes supported by a local minimum of an effective potential. The real part of the…R. A. Konoplya, Z. Stuchlík, A. Zhidenko·Sep 9, 2026SaveLearn
Massive quantum divergence on the Cauchy horizon of a black holeWe investigate a quantum massive scalar field in the interior of a charged and spherically-symmetric (Reissner-Nordström) black hole. We examine the behaviour for varying values of the black hole…Marc Casals, Lorenzo Pisani, Peter Taylor·Sep 9, 2026SaveLearn
Binary-black hole spin population results may be driven by prior degeneraciesGravitational waves carry information on the spins of merging binary-black holes. The orientations of their spins relative to their orbits ("tilts")---while challenging to…Noah E. Wolfe, Asad Hussain, Jack Heinzel et al.·Sep 9, 2026SaveLearn
Wave optical imaging of an oscillating electric dipole orbiting a black holeWe study the electromagnetic radiation and wave-optical imaging of an oscillating electric dipole orbiting a Kerr black hole. We derive the effective 4-current associated with a pointlike oscillating…Filipe Nazaré, João S. Santos, Vitor Cardoso et al.·Sep 9, 2026SaveLearn
Dilaton gravity can enhance quantum coherence and reduce entanglementWe investigate the influence of the Garfinkle-Horowitz-Strominger (GHS) dilaton black hole on different quantum resources of Dirac fields beyond the single-mode approximation. By employing the…Zejun Wang, Zhihong Liu, Yu-Xuan Wang et al.·Sep 9, 2026SaveLearn
Point particles in general relativity: beyond linear perturbation theoryPoint particles are generically ill defined in fully nonlinear general relativity, although they are naturally well defined in linear perturbation theory. In a previous paper, two of us showed how…Jørgen Musaeus, Adam Pound, Samuel D. Upton·Sep 9, 2026SaveLearn
Field quantization in rotating frames: coordinate covariance and the circular-detector responseWe provide a unified analysis of scalar-field quantization and detector response in relativistic rotating frames, comparing rigid and Trocheris-Takeno (TT) descriptions in unbounded Minkowski…Sidney Natzuka Junior, Carlos Augusto Domingues Zarro, Matheus dos Santos Soares·Sep 9, 2026SaveLearn
Universal Secular External Leg Corrections for Gauge Independent Scalar Self-Mass on de SitterThis work concerns a procedure for removing gauge dependence from graviton corrections to the effective field equations for a massless, minimally coupled scalar on de Sitter background. The procedure…D. Glavan, S. P. Miao, T. Prokopec et al.·Sep 9, 2026SaveLearn
A Novel Scheme for Inter-Satellite Integrated Laser Ranging and Communication in Space-Based GW DetectionAdopting pseudo-random noise (PRN) codes for inter-satellite ranging, the resulting data-encoded PRN signal induces excessive laser phase measurement noise under the currently adopted integrated…Zihao Shao, Siyuan Xie, Kai Luo·Sep 9, 2026SaveLearn
Parity symmetry as a diagnostic for spin-precessing binary-black-hole waveform modelsParity invariance of general relativity imposes exact relations between waveforms and remnant properties of binary-black-hole configurations related by reversal of the in-plane spins and observer…Héctor Estellés, Sascha Husa, Eleanor Hamilton et al.·Sep 9, 2026SaveLearn
Generalized Black holes with Fully Non-aligned Electromagnetic FieldsWe develop a Plebański--Demiański-adapted parametrization of the general Ovcharenko--Podolský solution and construct new families of generalized black holes in four-dimensional Einstein--Maxwell…Hideo Furugori, Shinya Tomizawa·Sep 9, 2026SaveLearn
Kaniadakis Holographic Dark Energy with Particle Horizon as IR CutoffWe construct a holographic dark-energy model using Kaniadakis entropy with the particle horizon as the infrared cutoff, consistently modifying both the holographic density and the Friedmann…A. Asvar, M. Mohammadi, A. Sheykhi·Sep 9, 2026SaveLearn
Pulsar Timing Response and Spatial Correlations of Shear Modes in Torsionless Palatini SpacetimeIn the nanohertz band, spatial correlations between pulsar timing residuals provide a key observable for characterizing stochastic gravitational-wave backgrounds and probing their polarization…Tian-Shi Li, Yu-Mei Wu, Chang Liu·Sep 9, 2026SaveLearn
Testing Source Dependence in Gravitational-Wave Tests of General Relativity with Mutual InformationPhenomenological deviation parameters used in gravitational-wave tests of general relativity need not represent universal fundamental properties of the sources. Instead, a deviation parameter can be…Yi-Fan Wang·Sep 9, 2026SaveLearn
A Differentiable Parametric Model of Binary-Black-Hole Initial Data: I. Conformally flat Bowen-York puncturesConstraint-satisfying initial data for binary black holes require the repeated solution of a nonlinear elliptic boundary-value problem throughout the physical parameter space. We present a…Frederik De Ceuster, Tjonnie G. -F. Li·Sep 9, 2026SaveLearn
Black hole and wormhole branches in gravitational decouplingMinimal Geometric Deformation (MGD) applied to a static Schwarzschild black hole seed generates a single decoupler function h(r), obtained by solving the θ-sector field equations together with an…Francisco Tello-Ortiz, Y. Gomez-Leyton, Vitalii Vertogradov et al.·Sep 9, 2026SaveLearn
Critical Scalarization for a Self-Gravitating Bosonic CondensateWe establish a minimal nonrelativistic realization of scalarization in a self-gravitating bosonic condensate coupled to a scalar response field. A local effective-mass shift and nonlinear saturation…Meng-Yun Lai, Hyat Huang, Wen-Cong Gan et al.·Sep 9, 2026SaveLearn
Revealing the Quantum Signature of Gravity via Gravitational WavesCan propagating gravitational waves serve as operational probes of the quantum nature of gravity? We address this question by developing a unified theoretical framework that combines spacetime…Partha Nandi·Sep 9, 2026SaveLearn
Prospects of electromagnetic follow-up of neutron star-black hole mergers in the LIGO-India eraNeutron star-black hole (NSBH) mergers are promising multimessenger sources, but only a subset is expected to produce detectable electromagnetic (EM) counterparts, depending on the binary mass ratio,…Yogita Kumari, Kanchan Soni, Sanjit Mitra·Sep 9, 2026SaveLearn
Clock-noise propagation and calibration for phase-locking configurations in space-based gravitational-wave detectorsIn space-based gravitational-wave detectors, laser phase locking transfers the phase of weak received light to a local laser and maintains the interspacecraft heterodyne frequencies within the…Pan-Pan Wang, Cheng-Gang Shao·Sep 9, 2026SaveLearn
Thermodynamics of Kerr-Newman-Bertotti-Robinson black holesIn this work, we extend the thermodynamic analyses of the neutral and specially charged Kerr-Bertotti-Robinson black holes to the general Kerr-Newman-Bertotti-Robinson family, in which the electric…Zelin Zhang, Zhenyu Zhang, Bin Chen·Sep 9, 2026SaveLearn
Analytic motions of spinning particles in Schwarzschild-(anti-)de Sitter spacetimeThe motion of a spinning test particle in a static, spherically symmetric spacetime with a cosmological constant is studied within the Mathisson-Papapetrou-Dixon formalism, working to linear order in…Rui-Hui Li, Xing-You Zhou, Chao-Jun Feng·Sep 9, 2026SaveLearn