Implications of Adler-Finch-Skea solution on charged dark energy star satisfying Karmarkar ConditionA possible approach for preventing compact astrophysical objects from gravitational collapse into singularities is the idea of dark energy. Since it is the cause of our universe's accelerated…Pramit Rej·Jun 17, 2026SaveLearn
Self-stimulated avalanche in superradiant axion cloudsBoson clouds formed via superradiance around spinning black holes offer a novel probe of ultralight particles. We show that such gravitational atoms can undergo a self-stimulated avalanche: a…Zhen-Hong Lyu, Rong-Gen Cai, Jing Liu·Jun 17, 2026SaveLearn
Constraining Gravitational Wave Memory with Hierarchical InferenceWith the multitude of gravitational wave observations that have been made in the past ten years, probing the dynamical and nonlinear nature of strong gravity is becoming more and more feasible. One…Keefe Mitman, Maximiliano Isi, Will M. Farr·Jun 17, 2026SaveLearn
Open Data from LIGO, Virgo, and KAGRA through the Second Part of the Fourth Observing RunLIGO, Virgo, KAGRA, and GEO 600 form a network of gravitational-wave observatories. Data and analysis results from this network are made publicly available through the Gravitational Wave Open Science…The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration et al.·Jun 17, 2026SaveLearn
Shadow dependent phenomenology framework for rotating black hole metricWe establish a formal thermodynamic-optical duality that bridges the semiclassical quantum evaporation of black holes with their classical macroscopic geometry. The physical viability of this…Nikko John Leo S. Lobos, Emmanuel T. Rodulfo·Jun 17, 2026SaveLearn
Testing classical-quantum gravity with geodesic deviationA novel semiclassical gravity model proposed by Oppenheim et al., that consistently describes interactions between quantum systems and a classical gravitational field, has recently attracted…Tomoya Hirotani, Akira Matsumura·Jun 17, 2026SaveLearn
Radial Oscillations of Viscous StarsOscillation modes of neutron stars, a key target for third-generation gravitational wave detectors, encode key information about their constituent nuclear matter. In this work, we study the effect of…Lennox S. Keeble, Jaime Redondo-Yuste·Jun 17, 2026SaveLearn
Ultraviolet completion of the inflationary paradigmAfter an exhaustive introduction highlighting the strengths and weaknesses of the non-local models proposed so far as ultraviolet completions of the Starobinsky theory, we propose a new nonlocal…Leonardo Modesto, Lorenzo Orlando·Jun 17, 2026SaveLearn
Probing Hairy Kerr Black Holes through Quasi-Periodic Oscillations I: A study based on the kinematic modelsBlack holes endowed with nontrivial scalar or matter fields, known as hairy black holes, possess additional parameters beyond mass, charge, and spin, leading to richer phenomenology. Constraining…Anirban Dasgupta, Supragyan Priyadarshinee, Indrani Banerjee et al.·Jun 17, 2026SaveLearn
Lorentz Violation in Emergent Gravity and Its Cosmological ConsequencesWe show that General Relativity and other geometrical theories can be viewed as a degenerate Otto cycle with only heat-exchange legs in emergent gravity. Including work-producing legs yields…Raymond Isichei, Joao Magueijo·Jun 17, 2026SaveLearn
Apparent horizon as a membraneThe requirement that a trapped spacetime domain forms in finite time for distant observers is logically possible and sometimes unavoidable, but its consequences are not yet fully understood. In…Daniel R. Terno·Jun 17, 2026SaveLearn
Periodic orbits and their gravitational waves in EMRIs: supermassive black hole affected by galactic dark matter halosPeriodic orbits exhibiting zoom-whirl behavior have become attractive topics for studying particle dynamics and gravitational wave emission in extreme-mass-ratio inspirals (EMRIs). This study…Guo-He Li, Chen-Kai Qiao, Jun Tao·Jun 17, 2026SaveLearn
The Wave Function of the Universe and InflationWe develop a quantum-cosmological framework in which the inflationary potential emerges from the structure of the wave function of the universe rather than being postulated. Starting from the…Gerasimos Kouniatalis·Jun 17, 2026SaveLearn
High-Frequency Thermal Graviton Remnant from the End of InflationThe standard inflationary theory focuses on the freezing of super-horizon fluctuations, which generate a scale-invariant spectrum, while the sub-horizon modes are expected to remain in thermal…Chen-Hao Wu, Xiao Liang, Ya-Peng Hu·Jun 17, 2026SaveLearn
Warp Drive in a De Sitter UniverseGeneralizing the result of H. Ellis who embedded a warp bubble in the background of a black hole, we introduce a warp bubble in a de Sitter universe. We show that under certain conditions (namely,…Remo Garattini, Kirill Zatrimaylov·Jun 17, 2026SaveLearn
Charged particle interference in Kerr-Newman spacetime based on teleparallel gravityThe quantum interference of charged particles in Kerr-Newman spacetime is studied based on teleparallel gravity. We calculate the gravitational phase difference, electromagnetic phase difference, and…Zhongyou Mo·Jun 17, 2026SaveLearn
Orbital evolution of asymmetric binaries within accreting environmentsExtreme mass-ratio inspirals embedded in accretion disks provide a natural arena for studying the interplay between relativistic orbital dynamics and environmental effects. In this work, we develop a…Albert Radulea, Marcelo E. Rubio, Konstantinos Kritos et al.·Jun 16, 2026SaveLearn
The free boundary problem in general relativityWe study the action principle for space-times whose boundary is singular. We suggest that it is natural to treat the singularity as a free boundary, where the variation is unconstrained.…Kostas Tzanavaris, Latham Boyle, Neil Turok·Jun 16, 2026SaveLearn
Sensing the Inflationary Production of ScalarsWe review the mechanism by which loops of matter fields contribute to the graviton self-energy during de Sitter inflation. The self-energy is used to quantum-correct the linearized Einstein…A. J. Foraci, C. Litos, R. P. Woodard·Jun 16, 2026SaveLearn
Long-Lived Ringing of Near-Extremal Kerr Black Holes Resonantly Driven by Extreme-Mass-Ratio InspiralsNear-extremal Kerr black holes support zero-damped modes (ZDMs), whose small time-domain damping rates make them long-lived probes of the near-horizon region. We show that bound extreme-mass-ratio…Wen-Biao Han·Jun 16, 2026SaveLearn
Hybrid Stars with Post-Merger Rotation ProfilesWe study the effect of differential rotation on hybrid stars with the first-order deconfinement phase transition from hadronic to color superconducting quark matter. The differential rotation is…Kalin V. Staykov, Violetta Sagun, Lorenzo Cipriani et al.·Jun 16, 2026SaveLearn
Intrinsic handedness in O1-O4a black-hole mergers: probing orbital precession, remnant retention in dense environments and cosmological mirror asymmetryPrecessing binary black-holes generically produce an imbalance of right- and left- handed gravitational waves, reflecting the breaking of mirror symmetry by the merger dynamics. We study this…Juan Calderón Bustillo, Adrián del Rio, Nicolás Sanchis-Gual et al.·Jun 16, 2026SaveLearn
Action based approach to dissipative relativistic fluid systemsWe develop an action principle for a relativistic two-fluid system with dissipation. The specific constituents of the model - which serves as a proof of principle - are particles and entropy. The…G. L. Comer, N. Andersson, T. Celora et al.·Jun 16, 2026SaveLearn
The Pre-geometric Origin of Geometric Trinity of GravityThe so-called Geometric Trinity of Gravity is based on three distinct geometric features of spacetime, i.e.\ curvature, torsion and non-metricity, which give rise to equivalent dynamics for General…Salvatore Capozziello, Giuseppe Meluccio·Jun 16, 2026SaveLearn
Acceleration-induced spectral blind spots in stimulated atomic transitionsStimulated transitions are among the most fundamental processes in light-matter interaction, underlying resonant absorption and emission in atomic systems. Here we show that uniform acceleration can…Jiawei Hu, Hongwei Yu·Jun 16, 2026SaveLearn