3722 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 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.
This paper proposes a framework that associates quantum states to arbitrary closed spacetime regions by defining a gravitational Hilbert space via path integrals over complexified geometries, thereby establishing a correspondence between non-asymptotic spacetime regions and quantum states that explains the efficacy of tensor network models while revealing that von Neumann entropy is determined solely by maximin surfaces independent of complex deformations.
This paper derives the electromagnetic radiation from an oscillating electric dipole orbiting a Kerr black hole using first-principles perturbation theory and develops a wave-optical imaging framework that reveals relativistic beaming, gravitational lensing, and polarization-dependent scattering effects beyond geometric optics.
This paper introduces "GW Explorer," an open-access, interactive Python-based curriculum designed to fill the gap in pre-college gravitational-wave education by engaging high school students in authentic astrophysics research through self-directed and mentor-guided formats, resulting in measurable gains in conceptual understanding and coding confidence.
This paper proposes a structural infrared mechanism in supersymmetric quantum field theories on de Sitter backgrounds where long-wavelength gravitational fluctuations suppress asymptotic particle states and redistribute spectral weight to continuum sectors, a hypothesis tested through a cosmological realization that yields S8 and fS8 values consistent with benchmark observations without proving the underlying dark-sector assignment.