3826 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 investigates the thermodynamic and optical properties of Kerr–Bertotti–Robinson black holes by deriving key quantities in the fixed- ensemble, introducing an AdS-like interpretation for the electromagnetic background, and analyzing how the external field modifies horizon characteristics, photon orbits, and shadow geometry for finite-distance observers.
This paper investigates the modified thermodynamics and evaporation of a deformed Schwarzschild black hole within non-commutative gauge theory, revealing a three-phase thermodynamic structure with an intermediate stable region and demonstrating that non-commutative corrections extend the black hole's lifetime while introducing a fundamental length scale near the Planck length.
This paper derives linear-in-spin corrections to the dynamics of spinning test particles in Schwarzschild spacetime, including orbital parameters, epicyclic frequencies, and Lyapunov exponents, to establish a comprehensive analytic framework linking Mathisson-Papapetrou-Dixon motion, periodic-orbit taxonomy, and transient quasi-periodic oscillation signatures for extreme mass-ratio inspirals.
This paper constructs and analyzes the stability of symmetric thin-shell wormholes embedded in cosmic voids, demonstrating that while configurations supported by a generalized cosmic Chaplygin gas are generically unstable, those supported by a modified cosmic Chaplygin gas can achieve stability under specific equation-of-state parameters.
This paper proposes that the abrupt collapse of massive astrophysical objects into black holes releases accumulated static scalar fields as "scalar tsunamis," which accumulate over cosmic history to form a stochastic diffuse background in the 1–1000 Hz range, thereby extending experimental sensitivity to scalar masses up to eV.
This paper reports the first experimental implementation of the HaPPY holographic code on a trapped-ion quantum computer, confirming the Faulkner-Lewkowycz-Maldacena formula and observing entropic signatures of emergent gravity and quantum wormholes.
This paper demonstrates that strong quantum fluctuations in the near-extremal throat of an asymptotically AdS black brane induce a non-monotonic temperature dependence in holographic electrical conductivity, causing it to decrease at low temperatures before rising as , a behavior confirmed by both an effective two-dimensional Schwarzian action and a four-dimensional gravitational path integral.
This paper demonstrates that quantum fluctuations of the near-AdS throat in near-extremal black branes with momentum relaxation induce a universal low-temperature enhancement in holographic transport coefficients, producing non-monotonic temperature dependencies for operators with scaling dimension that closely resemble behaviors observed in correlated materials.
This paper proposes and evaluates three complementary methods—ADAF-like flares from scalar clump encounters with Kuiper Belt Objects, atomic clock searches for oscillating fundamental constants, and astrometric microlensing—to constrain the properties of scalar field dark matter, demonstrating that Gaia-like astrometry can already probe compact clumps at the percent level for masses above .
This paper proposes and analyzes a novel potential-free warm inflation scenario driven by noncanonical kinetic terms and nonminimal derivative coupling, demonstrating that the combined effects of thermal damping and enhanced gravitational friction yield sub-Planckian field excursions and observational predictions consistent with Planck 2018 data.