2532 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 -way junctions in three-dimensional gravity correspond to coupled Nambu-Goto strings with Monge-Ampère sources, revealing that matter-like behavior and holographic wavepacket reflections can emerge from pure gravity in the tensionless limit.
This paper demonstrates that, unlike their bosonic counterparts which vanish, static fermionic tidal Love numbers are non-zero for non-extremal Reissner-Nordström black holes, highlighting a universal distinction in how black holes respond to fermionic versus bosonic tidal perturbations.
This paper introduces the enhanced GFH-v2 pipeline, an optimized version of the generalized Frequency Hough Transform algorithm, which demonstrates improved sensitivity and computational performance for detecting long-transient gravitational waves from newborn magnetars in LIGO-Virgo-KAGRA O4a data.
This paper introduces a streamlined dimensional regularization method for evaluating in-in loop integrals with arbitrary external legs and vertices, which reveals challenges in Hamiltonian renormalization within the in-in formalism and demonstrates how finite loop corrections to the primordial bispectrum can yield distinguishable signatures from tree-level contributions.
This paper proposes a general framework for asymptotically flat spinning extremal dyonic black holes in four-dimensional Einstein-Maxwell-dilaton theory with a stringy dilaton coupling (), demonstrating the existence of a pathologies-free one-parameter family of solutions specifically when the electric and magnetic charges are equal.
This paper demonstrates that higher curvature gravity corrections deform the near-horizon effective potential of spherically symmetric black holes, causing progressively larger deviations in quasinormal mode frequencies for higher overtones that can be identified in ringdown waveforms even when fundamental modes remain close to general relativity predictions.
This paper proposes a novel non-thermal dark matter production mechanism driven by curvature-induced tachyonic instabilities of a spectator scalar field coupled to the Gauss-Bonnet invariant, which triggers explosive particle creation after inflation and successfully reproduces the observed dark matter relic density across a wide range of masses and inflationary scales.
This paper derives general relativistic Gaussian equations for osculating orbital elements in Schwarzschild space-time under arbitrary perturbing forces, demonstrating their application to Kerr and -metric space-times while recovering the known Lense-Thirring precession in the post-Newtonian limit.
This paper argues that despite the remarkable agreement between observational data from collaborations like LIGO-Virgo-KAGRA and the Event Horizon Telescope and Kerr black hole predictions, general relativity fundamentally imposes limits that prevent any observational data from conclusively confirming the existence of black holes, leaving them only as candidates rather than proven entities.
This paper derives an exact electrically charged black hole solution in higher-order curvature gravity coupled with ModMax electrodynamics and quintessence dark energy, demonstrating that while thermodynamic geometry confirms phase transition consistency, quintessence and curvature corrections significantly enlarge the black hole shadow radius, whereas electric charge reduces it.