2615 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.
The paper demonstrates that the final state of a binary black hole merger corresponds with remarkable accuracy to the configuration that maximizes the instability rate of null geodesics, suggesting a deep connection between merger dynamics and the efficiency of photon ring scrambling.
This paper derives the exact dual Ginzburg-Landau theory for a minimal holographic superconductor at finite coupling, revealing that the GL parameter increases (making the system more Type-II) and the condensate rises, while correcting previous misconceptions regarding the AdS/CFT dictionary and condensate determination.
This paper investigates the asymptotic symmetry structure of Jackiw-Teitelboim supergravity within a BF framework, demonstrating how the dilaton supermultiplet dynamically reduces the affine symmetry to a specific subalgebra with an abelian ideal, thereby providing a consistent bulk-based framework for studying boundary dynamics beyond the Schwarzian regime.
This paper introduces the first Mock Data Challenge for the Einstein Telescope, detailing a simulated dataset of compact binary coalescences and Gaussian noise designed to test analysis pipelines, while providing a tutorial to facilitate community preparation for the observatory's future operations.
This theoretical study demonstrates that employing squeezed input light in optomechanical systems significantly reduces optical noise and shortens the required measurement time for detecting gravity-induced entanglement from approximately seconds to seconds, thereby enhancing its detectability.
This paper proposes a novel mechanism for generating high-frequency gravitational waves at approximately Hz through gravitational transition radiation, where particles emit gravitons as their masses change while traversing expanding bubble walls during first-order phase transitions in the early Universe.
This paper reformulates the Press-Schechter approach for primordial black holes within the excursion-set framework to demonstrate that, unlike halo formation, the non-Markovian nature of the process invalidates the standard "fudge factor" correction, necessitating a consistent inclusion of both stochastic motion components to derive a physically valid mass function.
This paper investigates nonconformally Ricci-flat gravitational instantons in four-dimensional Conformal Gravity, analyzing their conserved charges, regularity, and self-duality in both vacuum and the presence of nonlinear conformal matter fields such as scalar fields and ModMax electrodynamics.
Although a secondary potential barrier can induce a distinct family of spectrally unstable quasinormal modes that persist even after the barrier vanishes, time-domain simulations demonstrate that early-time black hole ringdown signals remain dominated by stable modes, thereby confirming the robustness of black hole spectroscopy.
This paper demonstrates that the Witten-O'Raifeartaigh potential can support a unified cosmological model where Warm Inflation occurs on its steep left wing and transient dark energy arises on its flatter right wing, provided the potential is normalized differently for each era and the quintessence field incorporates dissipative dynamics to sustain slow-roll.