Schwarzschild black holes as low-pass filters of fuzzy dark matter granularityWe study the relaxation of a complex massive scalar field around a supermassive black hole, modeling the near-horizon dynamics of Fuzzy Dark Matter (FDM) with spatial granularity. The field is…Flavio Rosales-Infante, Iván Álvarez-Rios, Francisco S. Guzmán·Sep 14, 2026·Top 58%SaveLearn
Bridging the chirp-mass gap: searching for gravitational waves from inspiraling subsolar-mass ultra-compact binaries using LIGO O4ab dataGravitational-wave searches for subsolar-mass compact binaries have left a gap between the planetary-mass regime accessible to long-duration searches and the higher masses probed by conventional…Andrew L. Miller·Sep 14, 2026·Top 13%SaveLearn
Analog Gravity in Magneto-Viscous Fluids: Enhanced Analog Hawking Temperature in Accretion DisksWe present a three-dimensional visco-magnetoacoustic framework for analog gravity in magnetohydrodynamic (MHD) flows. While standard fluid dissipation typically breaks the Lorentzian signature of…Aliv Sahoo, Mayank Pathak, Banibrata Mukhopadhyay·Sep 14, 2026·Top 68%SaveLearn
The third law of black hole thermodynamics: Quantum versus classical considerationsKehle and Unger have recently shown that, under suitable conditions, a massless charged classical scalar field can produce an extremal black hole in finite time. This result appears to violate the…Shahar Hod, Tsvi Piran·Sep 14, 2026·Top 69%SaveLearn
Distinguishing cosmology, astrophysics and systematics: the Bayesian search for a primordial gravitational-wave background in next-generation observatoriesNext-generation gravitational-wave observatories like Cosmic Explorer will provide an unprecedented opportunity to probe the cosmological stochastic gravitational-wave background, providing insight…Teagan A. Clarke, Sylvia Biscoveanu, Carl-Johan Haster·Sep 14, 2026·Top 22%SaveLearn
Curvture Regularization and Dynamical Vacuum Structure in Pseudo-Complex General RelativityWhether classical spacetime remains welldefined at arbitrarily high curvature is a central question. In general relativity, singularities signal the breakdown of the classical description, motivating…Fridolin Weber, Peter Otto Hess, Cesar Augusto Zen Vasconcellos·Sep 14, 2026·Top 81%SaveLearn
Analysis of GWTC-3 with multiple quasicircular modelsThe interpretation of gravitational wave sources depends on the specific choice of model used to interpret signals. Previous analyses of GWTC-3 event candidates using SEOBNRv4PHM, IMRPhenomXPHM, and…N. Manning, R. O'Shaughnessy·Sep 14, 2026·Top 6%SaveLearn
Perturbations of a Schwarzschild black hole and Newman-Unti gaugeIn this paper, we derive the complete transformations of a generic first order perturbative metric in Schwarzschild spacetime to the Newman-Unti (NU) gauge in series expansion near null infinity.…Pujian Mao, Baijun Zeng, Kai-Yu Zhang·Sep 14, 2026·Top 42%SaveLearn
Higher-Dimensional Slowly Rotating Black Holes in Nonlinear ElectrodynamicsWe study slowly rotating, nonlinearly charged black holes in arbitrary spacetime dimension d ≥ 4, using a generalized Lense--Thirring ansatz. Working to linear order in the rotation parameters,…Tayebeh Tahamtan·Sep 14, 2026·Top 39%SaveLearn
Magnetic Reconnection Heating of Thin Accretion Disks around Kerr Black HolesThe magnetic reconnection process near a black hole can efficiently convert magnetic energy into the kinetic and thermal energy of plasma outflows, enabling the extraction of rotational energy from a…Zhen Li·Sep 14, 2026·Top 65%SaveLearn
Asymptotic Decoherence of an Unruh--DeWitt Detector in de Sitter Spacetime: Conformal versus Minimal CouplingWe investigate the loss of coherence of a two-level Unruh--DeWitt detector coupled to massless real scalar fields in (1+3)-dimensional de Sitter spacetime. Treating the detector--field interaction…Kavitha A, Shagun Kaushal·Sep 14, 2026·Top 67%SaveLearn
Cosmological dynamics and structure formation in Tsallis-Cirto entropy-inspired modified gravityWe explore the cosmological dynamics and formation of structures within the Tsallis-Cirto modified gravity framework with a model parameter β that is inspired by nonextensive statistics. By…Subhra Mondal, Amitava Choudhuri·Sep 14, 2026·Top 71%SaveLearn
Deterministic denoising of long-duration gravitational-wave signal candidates with α-(de)blendingWe present a deterministic machine-learning method for denoising candidate signals from all-sky searches for continuous gravitational waves from rotating neutron stars. Using the time-domain…Przemysław Figura, Michał Bejger·Sep 14, 2026·Top 92%SaveLearn
Testing the equivalence principle with lunar laser ranging residuals from different planetary and lunar ephemeridesLunar laser ranging (LLR) provides a sensitive test of the equivalence principle (EP) through a possible synodic perturbation in the Earth--Moon distance. In this work, we develop an independent LLR…Jun Ke, Jie Luo, Qin Li et al.·Sep 14, 2026·Top 29%SaveLearn
Periodic Orbits of Van der Waals Black HolesBlack holes in asymptotically anti-de Sitter (AdS) spacetime whose extended-phase-space thermodynamics reproduces that of a van der Waals fluid exactly form a distinctive class, the van der Waals…Xuyao Gong, Zhaoyi Xu, Meirong Tang·Sep 14, 2026·Top 55%SaveLearn
Charged Black Hole Solution in Hoyle Narlikar Gravity and its Thermodynamic PropertiesIn this paper, we derive a new class of analytic black hole solutions within the framework of Hoyle--Narlikar gravity, where the black hole is surrounded by an electric charge acting as the source.…Aniruddha Ghosh, Ujjal Debnath·Sep 14, 2026·Top 96%SaveLearn
Thermodynamic stability of the new black hole solution in f(R,G,T) gravityIn this literature, we derive an approximate black hole metric within the \( f(R, G, T) \) gravity framework, where the black hole is surrounded by an anisotropic fluid as the matter source. This…Aniruddha Ghosh, Ujjal Debnath·Sep 14, 2026·Top 99%SaveLearn
Dynamical Structure of Einasto Dark Matter Wormholes: Thin-Shell Stability and Particle TransitionsIn this manuscript, we develop topologically charged static and spherically symmetric wormhole (WH) configurations in Einstein gravity by employing the Einasto dark matter profile to construct an…M. Yousaf, Faisal Javed, Gulzoda Rakhimova et al.·Sep 14, 2026·Top 91%SaveLearn
Inspiral waveforms of charged compact binaries and observational constraintsElectric charges carried by compact objects can affect binary dynamics and imprint characteristic signatures on gravitational-wave signals. We derive next-to-leading-order post-Newtonian…Zi-Han Zhang, Wen-Hong Ruan, Tan Liu et al.·Sep 14, 2026·Top 36%SaveLearn
Interior gravitational perturbations to naked singularities of a scalar fieldFor the k-self-similar naked singularity solutions of Einstein--scalar field equations constructed by Christodoulou, we construct a family of interior gravitational perturbations leading to trapped…Junbin Li, Tingting Li·Sep 14, 2026·Top 26%SaveLearn
Quasinormal modes of Reissner-Nordström black hole from bound state spectrumWe apply a newly proposed bound state method to revisit the computation of gravitational and electromagnetic quasinormal modes (QNMs) for Reissner-Nordström black holes (RNBHs). It is found that the…Bo-Yun Zhou, Hao-Yun Ma, Jia-Hui Huang·Sep 14, 2026·Top 81%SaveLearn
Gravitating sources with zero energy density in cosmologyA cosmological source can have identically zero comoving energy density and still gravitate through its pressure. This differs from an energy density passing through zero at an isolated time.…Özgür Akarsu, Cihad Kıbrıs, Burcu Öztürk et al.·Sep 13, 2026·Top 34%SaveLearn
Horizon Response to Orbital Redistribution in Self Consistent Einstein--Vlasov Black Hole EnvironmentsWe study whether orbital redistribution in a self consistent spherical Einstein--Vlasov environment can change the asymptotic normalization of a black hole horizon while the horizon mass, particle…Anirudh Pradhan, K. Ghaderi, M. Zeyauddin et al.·Sep 13, 2026·Top 84%SaveLearn
Bounds on Black Bounces from Phenomenological ImprintsIn this work, we derive phenomenological constraints on a symmetric black-bounce geometry supported by an anisotropic fluid. We investigate the effects of the bounce parameter and the matter…Alana C. L. Santos, Marcos S. Melo, Roberto V. Maluf·Sep 13, 2026·Top 92%SaveLearn
Full set of scenarios of high energy collision in the Schwarzschild background and kinematic censorshipWe consider collisions between particles moving freely in the Schwarzschild background. We suggest classification of scenarios that lead to unbounded energy output in the center of mass frame.…A. V. Toporensky, P. Gusin, A. Radosz et al.·Sep 13, 2026·Top 69%SaveLearn