3735 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 proposes a method to reconstruct the dark matter equation of state by analyzing gravitational wave signatures from compact binary inspirals, specifically utilizing the -function to isolate dynamical friction effects caused by extended dark matter envelopes surrounding neutron stars.
The paper introduces \texttt{cWB-space}, a model-independent time-frequency pipeline designed to detect and reconstruct transient gravitational-wave signals for the LISA mission, which successfully recovered all injected massive black hole binaries in simulated data while demonstrating its capability to distinguish astrophysical signals from instrumental disturbances.
This paper investigates the thermodynamics of Lorentzian Taub--NUT spacetimes in Einstein--Gauss--Bonnet AdS gravity across arbitrary even dimensions, deriving corrected entropy and energy via the Abbott--Deser--Tekin and Iyer--Wald formalisms to establish a comprehensive first law that accounts for independent variations of the NUT parameter and horizon radius.
This paper extends the analysis of gravitationally localized soliton-like solutions to the Einstein-Dirac-Higgs equations by investigating excited and many-fermion states, revealing novel stepwise Higgs field behaviors and significant ADM-to-fermion mass disparities distinct from previously studied two-fermion ground states.
This paper extends the GWTC-4.0 catalog analysis of 84 binary black hole mergers by incorporating orbital eccentricity and an improved spin precession model into state-of-the-art IMRPhenom waveforms to provide updated posterior samples and quantify the impact of these effects on inferred source properties.
This paper investigates how deviations from asymptotic flatness in Schwarzschild-de Sitter spacetime, parametrized by an SdS parameter , alter the adiabatic evolution of extreme-mass-ratio inspirals by accelerating eccentricity decay, shortening inspiral timescales, and inducing cumulative phase advances in gravitational waveforms, with significant observational implications for space-based detectors if represents astrophysical environmental effects rather than purely cosmological expansion.
This study demonstrates that the Early Dark Energy model, when constrained by a combination of Planck, ACT, SPT, DESI, and JWST data, successfully resolves the Hubble tension to the level while providing a statistically superior fit to observations compared to the standard CDM model.
This paper proposes a 4D pre-geometric framework based on or gauge theory that identifies five fundamental building blocks which, upon spontaneous symmetry breaking, dynamically generate the complete set of gravitational dynamics and topological invariants, including the Einstein-Hilbert action, cosmological constant, and various topological terms, while also revealing a see-saw mechanism linking the Planck mass and cosmological constant.
This paper extends the Dark Matter-Baryon Separability Condition to predict the dynamics of the almost-dark galaxy TTT J1237327+143535 by deriving consistency relations for its kinematics and mass while proposing a unified framework for both dark matter-deficient and baryon-depleted systems.
This paper derives a generalized entropy formula for topological tensor networks that accommodates infinite particle-like excitations in theories with non-compact gauge groups, interpreting SL(2,R) networks as models of three-dimensional gravity with small Newton's constant.