2489 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 Schwarzschild space-time at future null infinity possesses an extended BMS symmetry algebra incorporating superdilations, which generate non-trivial, angle-dependent redshifts and carry physical charges rather than being pure-gauge transformations.
This paper investigates the thermodynamic properties and dynamical stability of a regular Dymnikova-Letelier black hole sourced by an effective anisotropic fluid, revealing that the string fluid parameter significantly influences phase transitions and induces systematic shifts in quasinormal modes while ensuring the black hole remains stable under scalar perturbations.
This paper investigates black hole area quantization by applying Landauer's principle to discrete entropy changes, demonstrating how the resulting area spectrum parameters and their asymptotic behaviors vary across generalized entropy models like Barrow, modified Rényi, and Kaniadakis entropies compared to the standard Bekenstein–Mukhanov limit.
This paper investigates the circular motion of charged test particles on the equatorial plane of a weakly magnetized Taub--NUT black hole with a Manko--Ruiz parameter, deriving closed-form conditions for constrained orbits and analyzing how the magnetic field and particle charge influence the innermost stable circular orbit (ISCO) radius.
This paper establishes a generalized Minkowski theorem for constant-curvature Lorentzian spaces by proving that four non-trivial holonomies uniquely reconstruct a strictly convex tetrahedron in de Sitter or anti-de Sitter space under specific closure and convexity conditions, while also characterizing the resulting polar-dual projective tetrahedra and recovering classical Euclidean and hyperbolic reconstruction results in the spacelike sector.
This paper systematically demonstrates that the thermodynamic topological classification of three-dimensional BTZ black holes is fundamentally governed by the interplay of gravitational frameworks (Einstein vs. F(R)), matter field configurations, and ensemble choices, revealing how these factors collectively determine the black holes' intrinsic topological classes within a universal three-dimensional spacetime system.
This paper demonstrates that spacetime compactification and superposition enhance entanglement harvesting by Unruh-DeWitt detectors undergoing accelerated motion, with antiparallel acceleration configurations yielding significantly stronger correlations than parallel ones, particularly in high-acceleration regimes.
This paper proves the generalized Penrose conjecture for each connected component of an outermost generalized apparent horizon in the special case where the second fundamental form is proportional to the metric, by introducing a new geometric evolution called the -inverse mean curvature flow and establishing a novel monotonicity formula.
This paper demonstrates that the Ori and Ahmed spacetimes, which contain closed timelike curves, remain valid exact solutions in the gravity framework with a specific kinetic-coupling model, indicating that the additional scalar degree of freedom in this theory does not enforce a chronology-protection mechanism.
This paper investigates the finite-temperature Casimir effect for a massless scalar field confined between parallel plates in a Schwarzschild-like wormhole spacetime, demonstrating that the thermal correction to the renormalized free energy becomes geometry-independent in the comoving frame while yielding thermodynamic quantities that satisfy fundamental laws at low temperatures.