SPLIT: a robust semi-coherent inference pipeline for long-inspiral gravitational-wave sourcesThe Laser Interferometer Space Antenna (LISA) will detect gravitational waves (GWs) from dozens of extreme- and intermediate-mass-ratio inspirals (EMRIs/IMRIs). These sources will stay in-band for…Shubham Kejriwal·Jun 11, 2026SaveLearn
High-Precision Relativistic Time Scales for Mars Surface and Orbital ClocksWe develop a Mars-centered post-Newtonian framework for relating barycentric coordinate time, Mars-centered coordinate time, a conventional Mars surface time scale, and the proper times of landed and…Slava G. Turyshev·Jun 11, 2026SaveLearn
Decoding the Gravitational Geometry and Stellar Photometric Profiles of Galaxy NGC 7331Galaxy rotation curves provide a powerful probe of mass distributions in spiral galaxies. We present a general relativistic analysis of NGC 7331 using its observed rotation curve and WISE W1 (3.4…Aritra Sanyal Bikramarka S. Choudhury Farook Rahaman·Jun 11, 2026SaveLearn
Non-Markovian Memory-Induced Effects in Quantum CosmologyWe study memory effects in quantum cosmology by extending the semiclassical Wheeler-DeWitt framework beyond its usual local form. The main idea is to introduce a causal memory kernel at sub leading…Aarav Shah, Paulo Moniz, Oem Trivedi et al.·Jun 11, 2026SaveLearn
Search for High-Frequency Gravitational Waves via Geomagnetic Conversion with Radio TelescopesThe detection of high-frequency gravitational waves (HFGWs) above 10 kHz provides a crucial probe of exotic astrophysical phenomena and new physics. We report the first search for HFGWs via their…Hongliang Tian, Lei Wu, Xiaolong Yang et al.·Jun 11, 2026SaveLearn
Geometrically Regular Black Object Solutions in Lower-Dimensional Gauss-Bonnet Gravity and Its Unimodular ExtensionWe investigate the construction of regular compact objects in the recently proposed lower-dimensional Einstein--Gauss--Bonnet (EGB) gravity obtained through regularized dimensional reduction. Unlike…G. Alencar, T. M. Crispim, C. R. Muniz·Jun 11, 2026SaveLearn
Trapped Surface as a Cosmic CensorWe formulate a local geometric criterion for weak cosmic censorship in black hole overcharging and overspinning thought experiments. Under the null convergence and generic conditions, matter…Hideo Furugori, Daisuke Yoshida, Kaho Yoshimura·Jun 11, 2026SaveLearn
Beyond the Metric: Geometrical Measurability as a Constraint on Quantum GravityThis paper develops an epistemological constraint on quantum gravity grounded in the empirical meaning of general relativity. The central claim is that a complete recovery of general relativity…Matteo Tuveri·Jun 11, 2026SaveLearn
Bounds on Λ at the Galactic CenterWe constrain the cosmological constant, Λ, using astrometric and spectroscopic observations of the S2 star, supplemented by S1 and S14 stars orbiting Sgr A*. We develop a framework for modelling…Prajwal Hassan Puttasiddappa, Muzammil Mushtaq, William Ramirez et al.·Jun 11, 2026SaveLearn
Solar-System Bounds on Ricci-flat Spindle Deformations of SchwarzschildRecently, a new class of deformed black-hole exact solutions was constructed in four-dimensional general relativity. The deformation is controlled by a parameter B, which survives after…Zhong-Xi Yu, Hong-Da Lyu, Shoulong Li·Jun 11, 2026SaveLearn
Probing cosmic dynamics in f(T) teleparallel gravity: Constraints from logarithmic and log-periodic deceleration ansatzesIn this study, we probe the cosmological evolution of the universe within the framework of modified teleparallel gravity by considering a power-law form of the function f(T)=α(-T)n. To…Khomesh R. Patle, G. P. Singh·Jun 11, 2026SaveLearn
Absorption cross section of a Schwarzschild black hole for a massive vector fieldIn the present work, we study the absorption cross section of a Schwarzschild black hole for a massive vector field over arbitrary frequencies. Working in the Frolov-Krtouš-Kubizňák-Santos (FKKS)…Kaustubh Mukund Vispute, Rajesh Karmakar·Jun 11, 2026SaveLearn
Thermodynamics of polymerized vacuum regular black holes in anti-de Sitter spacetimeWe derive a class of vacuum regular black holes inspired by effective loop quantum gravity dynamics and extend the construction to asymptotically anti-de Sitter spacetimes. The derivation is based on…Sepideh Bakhoda, Ioannis Soranidis·Jun 11, 2026SaveLearn
Tidal Love numbers and the dynamical instability of AdS bubblesIn this work, we study non-radial perturbations of AdS bubbles and their tidal Love numbers (TLNs). The odd- and even-parity TLNs are computed up to l=6 in the limit k ∞. The odd-parity…Gerui Chen, Yu Tian, Hongbao Zhang·Jun 11, 2026SaveLearn
Tests of general relativity at the fourth post-Newtonian order with GW230627 and GW250114Gravitational wave (GW) observations provide an unprecedented laboratory for testing general relativity (GR) in the strong-field, highly dynamic, and relativistic regimes. Within the parameterized…Xi-Min Liang, Yuan-Zhu Wang, Tao Zhu et al.·Jun 11, 2026SaveLearn
Constraining Kerr supermassive black hole properties using gravitational waves from inspiraling stellar-mass binary black holesWe study the capability of future space-based gravitational-wave (GW) detectors to constrain supermassive black hole (SMBH) properties through observations of inspiraling stellar-mass binary black…Jie Wu, Jin-Tao Yao, Mengfei Sun et al.·Jun 11, 2026SaveLearn
Static axisymmetric Einstein spaces with a cosmological constant and the limitation of canonical Weyl coordinatesThe canonical Weyl form for four-dimensional static axisymmetric vacuum metrics is obtained by identifying the area function of the two Killing orbits with a harmonic coordinate on the twodimensional…Sheref Nasereldin·Jun 11, 2026SaveLearn
Kerr--Schild--AdS geometries in quadratic f(R) gravity: A no-go theoremWe investigate Kerr-Schild-AdS geometries in quadratic f(R) gravity without imposing the constant-curvature condition R=R0 a priori. We show that the field equations dynamically enforce constant…Alikram N. Aliev·Jun 11, 2026SaveLearn
Derivation of the Smarr formula from the Komar charge in Einstein-nonlinear electrodynamics theories and applications to regular black holesWe construct the generalized Komar charge of generic, non-linear theories of electrodynamics (NLED) in 4 dimensions coupled to Einstein gravity. The contribution of the dimensionful coupling constant…Gabriele Barbagallo, Tomás Ortín·Jun 11, 2026SaveLearn
Deriving Feynman's Consistency Condition from His Abandoned Energy-Momentum ApproachFeynman briefly considered a nonlinear theory of gravity in flat spacetime by imposing energy-momentum conservation on the sum of the energy-momentum tensor of matter and that of the gravitational…Satoshi Nakajima, Antonio López-Pinto·Jun 11, 2026SaveLearn
Schrödinger Symmetry in Spherically-symmetric Static Mini-superspaces with Matter FieldsSchrödinger symmetry has been shown to emerge in a ``fluid limit" from the full superspace to several mini-superspace models. To investigate one aspect of the robustness of this emergent…Taishi Sano, Yuki Yokokura·Jun 11, 2026SaveLearn
Formation of gravastarsRegular black holes and horizonless black hole mimickers offer mathematically consistent alternatives to address the challenges posed by standard black holes. However, the formation mechanism of…Daniel Jampolski, Luciano Rezzolla·Jun 11, 2026SaveLearn
Testing the problem of time with cold atomsWe realize a cold-atom system to quantitatively test relational constructions of time. A well-isolated atomic Bose-Einstein condensate evolves in a conservative trap that is partitioned by a thin…Giovanni Barontini·Jun 11, 2026SaveLearn
Black-hole - neutron-star mergers: new numerical-relativity simulations and multipolar effective-one-body model with spin precession and eccentricityIn this paper, we present 52 new numerical-relativity (NR) simulations of black-hole-neutron-star merger (BHNS) mergers and employ the data to inform TEOBResumS-Dalí: a multipolar effective-one-body…Alejandra Gonzalez, Sebastiano Bernuzzi, Alireza Rashti et al.·Jun 11, 2026SaveLearn
Cassini states for black hole binariesCassini states correspond to the equilibria of the spin axis of a body when its orbit is perturbed. They were initially described for planetary satellites, but the spin axes of black hole binaries…Alexandre C. M. Correia·Jun 11, 2026SaveLearn