GUP-corrected black holes: Thermodynamic properties, evaporation time and shadow constraint from EHT Observations of M87* and Sgr A*In this manuscript, we implement the generalized uncertainty principle (GUP) with linear and quadratic moment for Schwarzschild black hole metric in order to study the influence of quantum effect on…H. Chen, S. -H. Dong, E. Maghsoodi et al.·Jun 4, 2026SaveLearn
Numerical self-force calculations for scalar particles, formulated in the lab frameWe derive equations of motion for scalar particles self-consistently interacting with a scalar field,including the radiation produced by the particles' acceleration. Our approach differs in three…Stamatis Vretinaris, Erik Schnetter, Badri Krishnan·Jun 4, 2026SaveLearn
Short Gravitational-Wave Transients as Probes of Cosmic Domain WallsGW190521 and GW231123 have been reported as short-duration gravitational-wave transients consistent with very massive binary black hole (BBH) coalescences whose inferred parameters, i.e.,…Tore Boybeyi, Doga Veske, David Maibach·Jun 4, 2026SaveLearn
Charged black string immersed in a quintessence fluid and string cloudWe present a new static solution describing a charged black string immersed in a Kiselev-type quintessence fluid and a cloud of strings. The metric and field equations are solved for a general…Leonardo G. Barbosa, Franciele M. da Silva·Jun 4, 2026SaveLearn
Detecting Tidal Resonances in Binary Neutron StarsAs a binary neutron star inspirals due to the emission of gravitational waves, the rising tidal frequency resonantly excites vibrational modes. These oscillations are seismological probes of the rich…Fabian Gittins, Harsh Narola, Thibeau Wouters et al.·Jun 4, 2026SaveLearn
Evolution of Realistic Neutron star in the framework of f (Q) gravityThis work analyses and evaluates a few realistic compact objects in the presence of a gravitational interaction between two particles with a nonmetricity Q. In the f(Q) gravity framework, we have…Samprity Das, Surajit Chattopadhyay·Jun 4, 2026SaveLearn
On Cosmological Correlators with Boundary ContributionsCosmological correlators receive contributions from both field interactions in the bulk of quasi-de Sitter (dS) spacetime and boundary terms at the end of inflation. While most of the research…Yanjiao Ma, Dong-Gang Wang, Xiangwei Wang et al.·Jun 4, 2026SaveLearn
Asymptotically-flat Black holes in Bumblebee gravity: Exact solutions and ThermodynamicsWe construct analytic solutions to the bumblebee gravity theory in static and spherically symmetric spacetimes, where the bumblebee vector field admits only a non-vanishing temporal component. In…Jinbo Yang, Zhan-Feng Mai, Dicong Liang et al.·Jun 4, 2026SaveLearn
Scalarized extremal black holes in the Einstein-Maxwell-scalar theory with two U(1) fieldsWe study scalarized extremal black holes in the Einstein-Maxwell-scalar theory with two different scalar couplings to two U(1) fields. This theory is inspired by the bosonic sector of N=4…Xiao Yan Chew, Yun Soo Myung·Jun 4, 2026SaveLearn
Decay criteria for asymptotic freedom in plane gravitational wavesWe investigate when plane-wave memory admits standard outgoing free data beyond the idealized sandwich-wave approximation. For a Brinkmann plane wave with profile A(U), the commonly used condition…Qi-Liang Zhao, Li-Ming Cao·Jun 4, 2026SaveLearn
Charging Across the Phantom Divide with Modified GravityCosmology where the effective dark energy crosses w=-1 can be realized in Horndeski gravity with shift symmetric terms plus a linear potential. We highlight the special role of the nearly conserved…Rodrigo Calderon, Eric V. Linder·Jun 4, 2026SaveLearn
Two asymptotically flat spinning black holes balanced by their self-interacting, synchronised scalar hairAsymptotically flat balanced configurations of two spinning black holes with synchronised scalar hair (2sBHs) are possible (arXiv:2305.15467). These are constructed within a generalized Bach-Weyl…Chen Liang, Carlos Herdeiro, Eugen Radu·Jun 4, 2026SaveLearn
Impact of the axion-like self-interactions in gravitational atoms for LISAUltralight bosons with self-interactions, such as axion-like particles, can form astrophysical Bose--Einstein condensates around stars or compact objects, often referred to as gravitational atoms. In…Samuel Gómez Gómez, Xisco Jimenez Forteza, Carlos Palenzuela Luque·Jun 4, 2026SaveLearn
Cosmological properties of black-hole hair in the linearly coupled scalar-Gauss-Bonnet theoryWe investigate the superhorizon behavior of scalar hair sourced by black holes in de Sitter spacetime in the linearly coupled shift-symmetric scalar-Gauss-Bonnet theory. Working in the test-field…Dražen Glavan, Darío Jaramillo-Garrido·Jun 4, 2026SaveLearn
Constraining Lorentz symmetry breaking in bumblebee gravity with extreme mass-ratio inspiralsExtreme mass-ratio inspirals (EMRIs), with their long-lived and highly relativistic orbital evolution, can probe strong-field spacetime geometry and provide an important means to test general…Sheng Long, Zhong-wu Xia, Huajie Gong et al.·Jun 4, 2026SaveLearn
Axial w-modes of anisotropic neutron starsWe investigate the axial w-mode oscillations of anisotropic neutron stars. Stellar configurations are constructed using two realistic equations of state, BSk21 and SLy4, with two prescriptions for…Sushovan Mondal·Jun 4, 2026SaveLearn
Realization of quintom dark energy after DESI DR2 in Nieh-Yan modified teleparallel gravityRecent observations from the DESI Collaboration indicate a preference for quintom dark energy, i.e., its equation of state evolves across the cosmological constant boundary w=-1. It is well known…Yuxuan Kang, Mingzhe Li, Changzhi Yi·Jun 4, 2026SaveLearn
Constant-roll β-exponential inflation: Palatini formalismThis paper investigates the inflationary dynamics of a β-exponential potential model within the framework of non-minimally coupled quadratic (R+R2) gravity. The functional form of the adopted…Ozan Sargın·Jun 4, 2026SaveLearn
Rotation-dependent I-Love-Q-δM relations in perturbation theoryThe so-called I-Love-Q relations link some normalized versions of the moment of inertia, the Love number, and the quadrupole moment of a star. These relations, in principle, enable the inference…Eneko Aranguren·Jun 4, 2026SaveLearn
Primordial Black Hole Formation in f(R)=R+αR2 Gravity: Perturbative and Non-Perturbative AnalysisWe present a complete analytic and semi-analytic study of gravitational collapse and primordial black hole (PBH) formation in the quadratic f(R) model f(R)=R+αR2. We first derive the…G. G. L. Nashed, A. Eid·Jun 4, 2026SaveLearn
Exceptional line and pseudospectrum in black hole spectroscopyWe investigate the exceptional points (EPs) and their pseudospectra in black hole perturbation theory. By considering a Gaussian bump modification to the Regge-Wheeler potential with variable…Li-Ming Cao, Ming-Fei Ji, Liang-Bi Wu et al.·Jun 4, 2026SaveLearn
A comprehensive look into the accuracy of SpEC binary black hole waveformsNumerical relativity simulations provide a full description of the dynamics of binary systems, including gravitational radiation. The waveforms produced by these simulations have a number of…Taylor Knapp, Katerina Chatziioannou, Keefe Mitman et al.·Jun 4, 2026SaveLearn
Non-singular Bouncing Cosmology in f(R,G,T)--Quintom modelWe present a unified framework for non-singular bouncing cosmologies in modified gravity, combining f(R,G,T) geometry with quintom scalar dynamics in a flat FLRW universe. While single-field models…Farzad Milani·Jun 4, 2026SaveLearn
Generalized Lemaître time for rotating and charged black holes and its near-horizon propertiesWe consider the behavior of the analogue of the Lemaitre time when a particle approaches the horizon of a rotating black hole. For the Kerr metric, the aforementioned time coincides with the Doran or…A. V. Toporensky, O. B. Zaslavskii·Jun 4, 2026SaveLearn
Self-regularized entropy: What does black hole entropy predict for tests of Kerr no-hair theorem?We compute the canonical, or brick-wall, entropy of a massless scalar field in a quantum black hole model whose strong field exterior is described phenomenologically by the static q-metric, also…Shokoufe Faraji, Niayesh Afshordi·Jun 4, 2026SaveLearn