3256 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 Papadodimas-Raju mirror operators, used to reconstruct the interior of planar AdS black branes, satisfy a derived covariance condition that ensures they inherit the spacetime's intrinsic scaling symmetry despite their state-dependent nature.
This paper investigates the redshift drift within a cosmographic framework by constraining expansion parameters using Pantheon+, SH0ES, GRB, and DESI data to construct a mock Sandage-Loeb catalog, ultimately assessing the internal consistency of the reconstructed background against CDM and CDM scenarios.
This paper establishes a Transformation Theorem that demonstrates how arbitrary Lorentzian manifolds can be converted into singular signature-type changing manifolds and, conversely, how such manifolds can be derived from Lorentzian metrics, ultimately proving that the induced metric on the transition hypersurface is either Riemannian or a positive semi-definite pseudo-metric.
This paper investigates a three-dimensional black hole surrounded by Maxwell-Higgs vortices within linear gravity, revealing a ring-like system with quantized magnetic flux where the Bekenstein-Hawking temperature remains constant regardless of gravity or vortex parameters, indicating thermodynamic stability and unique horizon-induced perturbations in the magnetic profile.
This paper demonstrates that a chiral spin-chain model can simulate a binary black hole system to achieve high-fidelity quantum teleportation of information across event horizons by leveraging Hawking radiation-induced entanglement and optimal scrambling, thereby providing an experimentally accessible condensed matter platform for probing high-energy black hole phenomena.
This paper proposes that primordial black holes carrying a "dark" charge can evade current Hawking radiation constraints and serve as viable dark matter candidates with masses as low as by significantly suppressing evaporation rates through the interplay of dark electron mass and charge.
This paper rederives the ADM equations in a framework where lapse zeros are harmless and develops a covariantized Anderson-York system with freely prescribable gauge variables to establish a well-posed evolution system that connects to maximal globally hyperbolic developments while exploring its causality properties.
This study investigates the Torsion Condensation (TorC) model using Planck 2018 data, finding that while it successfully alleviates the statistical tension between Planck and SH0Es measurements by allowing for a higher Hubble constant, it does not yet decisively outperform the standard CDM model in Bayesian comparisons.
This paper proposes a microscopic model of black holes as non-Abelian anyon condensates forming a topologically ordered timelike shell, which resolves the information paradox by encoding quantum information in fusion channels, reproduces black hole thermodynamics including entropy corrections, and ensures a nonsingular spacetime geometry.
This paper highlights the potential of discovering radio pulsars orbiting Sagittarius A* to test fundamental physics, while addressing the challenge of mass perturbations in the Galactic center by developing a numerical timing model to accurately probe spacetime and dark matter.