⚛️ Category

gr-qc

3875 papers

Quantum gravity represents the frontier where the very large meets the very small, attempting to unify Einstein's theory of gravity with the strange rules of quantum mechanics. This field explores the fundamental fabric of spacetime, seeking to understand how the universe behaves at its most extreme scales, from the heart of black holes to the moment of the Big Bang. Because these concepts often involve complex mathematics, they can feel distant to non-specialists, yet they hold the key to a complete picture of physical reality.

At Gist.Science, we bridge this gap by processing every new preprint in this category directly from arXiv. Our team provides both plain-language explanations and detailed technical summaries for each paper, ensuring that groundbreaking research is accessible to everyone, from curious students to seasoned researchers. Below are the latest papers in quantum gravity, offering fresh insights into the nature of our cosmos.

⚛️ general relativity

Hairy Kiselev black hole with quintessential matter: themodynamic properties, sparsity of Hawking radiation, and greybody factors

This paper investigates the thermodynamic properties, Hawking-radiation sparsity, and greybody factors of a hairy Kiselev black hole surrounded by quintessential matter, revealing how exponential hair and quintessential fields respectively govern small-scale and large-scale behaviors, induce phase transitions, and cause highly intermittent radiation emission.

Faizuddin Ahmed, Fernando M. Belchior, Allan R. P. Moreira, Abdelmalek Bouzenada2026-05-26
⚛️ general relativity

A New Self-Dual Gravitational Instanton Solution on a Local Conformal Kählerian Manifold in a Brane World Model

This paper presents an exact, self-dual gravitational instanton solution on a locally conformal Kählerian manifold within a brane world model, characterized by a quintic polynomial singularity that defies the standard Plebanski-Demianski classification and offers a novel topological framework for resolving black hole information paradoxes through antipodal boundary conditions on a Klein bottle.

Reinoud Jan Slagter2026-05-26
⚛️ general relativity

Teleparallel F(T)F(T) electromagnetic static spherically symmetric spacetime solutions

This paper investigates static, spherically symmetric spacetimes in covariant teleparallel F(T)F(T) gravity with electromagnetic sources, deriving field equations and conservation laws to establish a general reconstruction procedure that yields exact charged solutions—including black-hole-like and wormhole-like branches—which generalize Reissner–Nordström spacetimes and offer new insights into strong-field physics beyond General Relativity.

Alexandre Landry2026-05-26
⚛️ general relativity

Reversible-jump MCMC reveals binary black hole subpopulations with distinct redshift evolution

Using a novel reversible-jump Markov chain Monte Carlo method, this study identifies three distinct binary black hole subpopulations with unique mass, spin, and redshift evolution characteristics, providing a data-driven framework to distinguish between isolated binary and dynamical formation channels.

April Qiu Cheng, Alexandre Toubiana, Sylvia Biscoveanu, Jonathan Gair2026-05-26
⚛️ general relativity

Hyperboloidal evolution for scalar scattering in Minkowski space

This paper presents a stable, fourth-order convergent time-domain numerical framework for global scalar wave scattering in Minkowski spacetime that utilizes exact conformal matching of three compactified regions to connect past and future null infinity with spatial infinity, successfully handling linear and certain nonlinear potentials while revealing specific boundary regularity limitations for cubic nonlinearities.

Ekrem S Demirboğa, Anıl Zenginoğlu2026-05-26
⚛️ general relativity

Probing Black Hole Phase Transitions through Quasi-Periodic Oscillations

This theoretical study investigates the potential link between black hole quasi-periodic oscillations (QPOs) and thermodynamic phase transitions by analyzing how QPO frequencies vary with Hawking temperature in RN AdS and Kerr black hole backgrounds, suggesting that while observational data is currently lacking, changes in black hole geometry may influence QPO behavior.

Bidyut Hazarika, Prabwal Phukon2026-05-25
⚛️ general relativity

Inflationary models in a minimally coupled f(R,T)f(R,T) gravity: Constraints from $Planck,BICEP/, BICEP/Keck$, and ACT

This paper investigates the viability of mutated hilltop, D-brane, and Woods-Saxon inflationary models within a minimally coupled f(R,T)f(R,T) gravity framework, demonstrating that specific parameter spaces for these models can satisfy current observational constraints from Planck, BICEP/Keck, DESI, and ACT.

Biswajit Deb, Atri Deshamukhya2026-05-25