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.
This paper presents preliminary measurements of Earth's angular velocity using TRIO, a new transportable ring laser gyroscope prototype with a 1.52 m side length, to evaluate its performance and validate the design for the upcoming large-scale GINGER project at the Gran Sasso underground laboratory.
This paper investigates a dyonic Kalb-Ramond black hole pierced by a cloud of strings within Lorentz-violating gravity, utilizing MCMC analysis of twin-peak QPOs and EHT shadow data to constrain its parameters while comprehensively mapping its geodesic dynamics, thermodynamic properties, and radiative observables.
This study constrains an exponential gravity model using CMB, DESI-DR2, and supernova data, finding that while it fails to resolve the tension, it offers a moderate alleviation of the tension and improves the description of large-scale structure formation.
This paper introduces a computationally efficient frequency-domain implementation of the SEOBNRv5THM waveform model for binary neutron star systems that combines the stationary-phase approximation with fast Fourier transforms to enable accurate, fast parameter estimation for long gravitational-wave signals within practical runtimes.
This paper presents a comprehensive framework demonstrating that primordial black holes captured by stars can either quietly consume the host or trigger explosive stellar disruption via accretion disk formation, producing distinct transient signals that offer a new probe for asteroid-mass dark matter and subsolar black hole mergers.
This paper introduces three-dimensional asymptotically-FLRW spacetimes as a simplified framework for studying cosmological asymptotic symmetries, characterizing their deformed symmetry group, defining covariant boundary charges and news, and demonstrating the existence of exactly conserved non-linear Newman-Penrose charges.
This paper demonstrates that in a thermal bath of gravitons, metric fluctuations induce a probabilistic uncertainty in the causal structure of a massless scalar field, causing the lightcone to spread with a variance that grows cubically in time and linearly with temperature.
This paper introduces SeismoGPT, a transformer-based autoregressive model that successfully forecasts three-component seismic waveforms in the time domain by learning physically constrained dynamical continuation, achieving high phase coherence and spectral accuracy across diverse synthetic scenarios.
This paper analyzes black-hole echo resonance spectra within a controlled transfer-function model featuring a compactly supported barrier and a Robin wall, aiming to rigorously prove localization estimates and clarify the standard cavity denominator's behavior rather than proposing new echo mechanisms or observational claims.
This paper establishes a novel "shadow thermodynamics" framework for four-dimensional charged AdS black holes surrounded by string clouds and quintessence, demonstrating that the black hole's shadow radius serves as a valid proxy for the event horizon in reproducing van der Waals-like phase transitions and analyzing particle emission rates.