2371 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.
This paper uses Bayesian analysis of astrometric and spectroscopic data from the S2, S1, and S14 stars orbiting Sgr A* to constrain the cosmological constant at the Galactic Center, establishing upper bounds of at 68% credibility and at 95% credibility.
This paper demonstrates that machine learning and deep learning models can accurately classify compact stars as neutron stars or quark stars based on observable macroscopic properties like mass, radius, and tidal deformability, offering a promising tool for probing dense matter composition while noting the need for further validation with hybrid and exotic matter scenarios.
This paper argues that any viable theory of quantum gravity must satisfy an epistemological constraint requiring the recovery of objective geometrical measurability—ensuring the physical possibility of determining relational quantities through stable devices, causal access, and record formation—alongside the emergence of spacetime geometry itself.
This paper calculates the one-loop logarithmic corrections to the entropy of near-extremal black holes in New Massive Gravity by analyzing boundary graviton modes in the near-horizon AdS geometry, thereby extending recent General Relativity results to higher-curvature theories.
This paper proposes a local geometric criterion for weak cosmic censorship, demonstrating that under the null convergence and generic conditions, the formation of a closed trapped surface upon matter injection rules out superextremal final states and Weyl-class naked singularities without relying on asymptotic charges or extremal conditions.
This paper establishes an on-shell framework demonstrating that spin universality and unitarity enforce local detailed balance, thereby deriving the thermal emission spectrum and Hawking temperature of black holes from the condition of maximal absorption.
This paper introduces a graphical coaction framework for Friedmann-Robertson-Walker (FRW) integrals at all loop orders using intersection theory in twisted (co)homology to decompose cosmological observables into graph-based building blocks, thereby revealing the combinatorial structure of their governing differential equations and providing open-source tools for their computation.
This paper theoretically investigates charged particle dynamics in the magnetic field generated by a toroidal current loop around a Schwarzschild black hole, demonstrating how attractive Lorentz forces lead to the formation of toroidal radiation belt-like structures while highlighting general relativistic effects and the necessity of finite-width current distributions to avoid physical divergences.
This paper presents a comprehensive general relativistic study of how gravitationally bound dark matter admixed with neutron stars modifies fundamental -mode oscillation frequencies and damping times, establishing new asteroseismic universal relations and deriving multimessenger constraints from the GW170817 event.
This paper investigates infrared-finite energy correlators in four-dimensional gravity by computing one- and two-loop corrections in supergravity and Einstein gravity, demonstrating infrared divergence cancellation, deriving universal soft-graviton dynamics in the back-to-back limit, and exploring dispersion relations and unique gravitational singularities.