3841 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 demonstrates that while slow-roll conditions allow the reconstruction of the slope of a nearly flat quintessence potential using only the deceleration parameter, current cosmographic data from DESI DR2 suggests a tension with the near-flatness assumption, even as the models exhibit universal thawing attractor behavior close to the CDM limit.
This paper investigates the thermal stability and quasi-normal modes of a generalized GHS-GM hairy black hole with a monopole field, demonstrating that the system is thermally stable with decreasing scalar charge and that its quasi-normal frequencies indicate stability against perturbations as the black hole charge increases.
This paper establishes a new, model-insensitive scaling relation between the dimensionless tidal deformability of neutron stars and their central pressure-to-energy-density ratio, enabling gravitational-wave observations to directly probe the core equation of state of ultradense matter.
This paper provides a self-contained formalism and practical guide for gravitational-wave analysts on applying the Wilson-Daubechies-Meyer (WDM) time-frequency transform, detailing its mathematical foundations, implementation nuances, and statistical framework for analyzing slowly-varying noise.
This paper extends the analysis of wave-optics imprints from dark matter subhalos on strongly lensed gravitational waves to saddle-point images, demonstrating that LISA can detect these frequency-dependent distortions with high significance to probe substructure masses between and that are inaccessible to electromagnetic observations.
By performing explicit bulk reconstructions in near-horizon modified AdS and BTZ black hole backgrounds, this paper demonstrates that extending the AdS/CFT dictionary to finite induces non-perturbative bulk micro-causality violations characterized by a throat-dependent non-locality scale and a dip-ramp-plateau structure in the spectral form factor.
This review examines recent DESI measurements suggesting a departure from the standard CDM model toward dynamical dark energy, exploring how different parametrizations and datasets influence this preference while analyzing how various beyond-CDM scenarios could explain these findings and potentially resolve existing cosmological tensions.
This paper demonstrates that the local equi-Lipschitz continuity of Lorentzian distance functions, a property known to hold for distances along complete timelike lines, generally fails for distances to the level sets of Cauchy temporal functions, while proposing conjectures linking the restoration of this property to Bartnik's splitting conjecture.
This paper proposes a discrete warped Chern-Simons gravity framework for three-dimensional warped AdS holography, demonstrating that boundary monodromies derived from ordered link holonomies serve as fundamental gauge-invariant observables that characterize physical sectors and reproduce warped black hole entropy and WCFT structures in the continuum limit.
This paper extends the static spherically symmetric black hole solutions in revised Deser--Woodard nonlocal gravity by demonstrating the linearity of field equations to enable mode-by-mode superposition, and by analyzing two physically motivated asymptotically flat corrections: a logarithmically dressed term representing long-range quantum effects and an exponentially suppressed term describing localized, screened gravitational phenomena near the horizon.