Tracing source imprints on the gravitational direct waveThe direct wave component of black hole (BH) ringdown, revealed through quasinormal-mode filters, carries a non-quasinormal-mode imprint of the plunging perturber's dynamics. However, the…Andrew Laeuger, Colin Weller, Ling Sun et al.·Nov 2, 2026SaveLearn
Surrogate model of gravitational waveforms for quasi-circular, spin-aligned, asymmetric-mass black hole binaries based on the hybridization of WaSABI-C inspirals with numerical relativity waveformsWith the incorporation of aligned-spin dynamics into self-force waveform models, such as the WaSABI-C inspiral model, and with the release of the SXS collaboration's third public catalog of NR…H. L. Iglesias, D. M. Shoemaker·Nov 2, 2026SaveLearn
Exact static two-body gravitational potential at first self-force orderThe static interaction potential of two non-spinning point masses in general relativity was previously computed through seventh post-Newtonian order using methods of effective field theory. Its probe…Ricardo Monteiro·Nov 2, 2026SaveLearn
Exact Regular Planar Black Holes solutions in Bumblebee gravityWe discuss possibilities of finding exact regular planar black hole solutions in bumblebee gravity with temporal and radial components of the bumblebee field. We consider quadratic and linear…Daniil Stepanenko·Nov 2, 2026SaveLearn
A new toric ALF gravitational instantonWe construct a new explicit toric ALF gravitational instanton. The instanton has Euler characteristic χ= 4 and Hirzebruch signature τ= 1. The topology at infinity is a lens space L(3,1). The…Alfie Jones·Nov 2, 2026SaveLearn
Integrable mass of Kerr-Newman-Bertotti-Robinson black holeThe nontrivial asymptotic structure of rotating black holes in the Bertotti-Robinson universe complicates a direct determination of their conserved mass, leading previous studies to rely on a priori…Li Hu, Rong-Gen Cai, Shan-Wen Jiang et al.·Nov 2, 2026SaveLearn
Spectral instability of charged scalar quasinormal modes and superradiance: Stabilizing the unstableThe spectral instability of black holes has become a central topic of the black-hole spectroscopy program. Small changes to the black-hole scattering potential are known to produce disproportionately…Kyriakos Destounis·Nov 2, 2026SaveLearn
Charge-Activated Birefringence and Shadow Mimicry around Reissner-Nordström Black HolesWe discover that electric charge can activates birefringence for a neutral vector field coupled to the Einstein tensor around a Reissner-Nordström black hole. Changing the electric charge of an…Mao-Yuan Wan, Chen Wu·Nov 2, 2026SaveLearn
First law of thermodynamics for interacting charged black holes and applicationsWe derive a mass variation identity expressing the first law of black hole thermodynamics for asymptotically flat, stationary, axisymmetric Einstein-Maxwell solutions with multiple electrically…Qing Han, Marcus Khuri, Gilbert Weinstein et al.·Nov 2, 2026SaveLearn
Cloudy black-hole configurations of the composed Einstein-Yang-Mills-Higgs field theory: Analytic treatmentNon-Abelian black holes that violate the non-hair conjecture are known to exist in the Einstein-Yang-Mills-Higgs field theory. The onset of hair formation in this composed physical system is marked…Shahar Hod·Nov 2, 2026SaveLearn
A simple flux criterion for trapped surface formation by short pulses of gravitational radiation and matterWe discuss the formation of trapped surfaces induced by short pulses of incoming gravitational radiation and matter fields, in a double-null formulation. We identify a hierarchy of orders in the…Tetsuya Shiromizu, Keisuke Izumi, Daisuke Yoshida·Nov 2, 2026SaveLearn
Static Vacuum Geometry Encodes Gravitational Collapse and CosmologyWe show that, within covariant Hamiltonian gravity in spherical symmetry, a prescribed one-parameter family of static vacuum geometries uniquely determines the local dynamics of gravitational…Yi Ling, Jinsong Yang, Zhangping Yu et al.·Nov 2, 2026SaveLearn
Pilot search for continuous gravitational waves from Hercules X-1 in O3 LIGO data: enhancements to a hidden Markov modelA semi-coherent search is conducted for continuous gravitational waves from stellar oscillations in Hercules X-1 with data from Observing Run 3 of the Laser Interferometer Gravitational-wave…Nicholas Kah Yean Low, Andrew Melatos·Nov 1, 2026SaveLearn
A Singularity Theorem for Quasi-Topological GravitiesQuasi-topological theories of gravity have recently attracted substantial attention as several theories in this class have a non-singular black hole as a vacuum and spherically symmetric solution.…Francesco Di Filippo·Nov 1, 2026SaveLearn
C0-inextendibility of a class of Vaidya spacetimesWe prove the future C0-inextendibility of a broad subclass of ingoing Vaidya spacetimes with positive mass function satisfying the weak energy condition, building on methods introduced and…Karim Mosani, Clemens Sämann, Kharanshu N. Solanki·Nov 1, 2026SaveLearn
Dimensionally Regulated Graviton Self-Energy from Gravitons on de SitterThe graviton self-energy -i [μν Σρσ](x;x') is the 1PI 2-point function of quantum gravity. It can be used to quantum-correct the linearized Einstein equation in order to infer…B. Yesilyurt, N. C. Tsamis, R. P. Woodard·Nov 1, 2026SaveLearn
Black Hole Love Numbers with Physics-Informed Neural NetworksWe develop and validate a physics-informed neural network (PINN) framework for computing the tidal Love numbers of black holes directly from their perturbation equations. We consider static…Maria J. Rodriguez, Luis Fernando Temoche, Pavlos Protopapas·Nov 1, 2026SaveLearn
Torsion, Frames and Quantum Bounces: Inflation and Ekpyrotic Contraction in Quantum Trajectory Cosmology with a Non-Minimally Coupled ScalarWe study the de Broglie-Bohm quantum cosmology of a scalar field non-minimally coupled to a metric-compatible Riemann-Cartan geometry, comparing inflation with ekpyrotic contraction. The torsion…Rikpratik Sengupta, Paulo Vargas Moniz·Nov 1, 2026SaveLearn
Spin-dependent topological structure of black-hole thermodynamicsThermodynamic topology classifies black-hole equilibrium states through topological defects of an off-shell thermodynamic field, while quantum-corrected Hawking radiation can retain information about…Erdem Sucu, İzzet Sakallı, Yusuf Sucu et al.·Nov 1, 2026SaveLearn
Light Ring Stability Across Spacetime Dimensions and Theories of GravityThe light ring theorem states that four-dimensional stationary, axisymmetric, horizonless ultracompact objects (UCOs) possess light rings (LRs) in pairs, one of which is stable if the Null Energy…Kajol Paithankar, Sanved Kolekar·Nov 1, 2026SaveLearn
Vanishing Island: Spectral Criticality in Boson StarsWe identify a cusp-type endpoint at which a finite radially stable region of solitonic boson stars disappears. Two fundamental radial zero-mode boundaries coalesce there, while the constrained…Bo-Xuan Ge·Nov 1, 2026SaveLearn
Optical Characteristics and Frequency Shifts of Quartic Wormholes in f(T,τ) GravityThis work explores traversable wormhole solutions characterized by a quartic inverse-power density profile within f(T,τ) gravity. A specific inverse-power density profile, characterized by…Sourav Chaudhary, S. K. Maurya, Jitendra Kumar·Nov 1, 2026SaveLearn
Ricci-Non-metric Holographic Dark EnergyIn this work we propose a holographic dark energy model inspired by the Ricci scalar R and non-metricity scalar Q. The infrared cutoff of the holographic dark energy is described by a combination…Sukanta Bhunia, Prabir Rudra, Abhijit Lahiri·Nov 1, 2026SaveLearn
Spherically-symmetric solutions with internal Ricci-flat spaces in Brans-Dicke theoryWe construct a new family of exact spherically symmetric solutions in D-dimensional Brans-Dicke theory with n internal Ricci-flat spaces. The spacetime is assumed to be a product of a…K. K. Ernazarov·Nov 1, 2026SaveLearn
Choosing a generator for streaming Gaussian noise in gravitational-wave mock data: accuracy, cost and reproducibilityMock data challenges need long stretches of colored Gaussian noise with a prescribed spectrum. The candidates are the crossfade of independently drawn windows that the standard gravitational-wave…Isaac C. F. Wong·Nov 1, 2026SaveLearn