3949 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 introduces FIREFLY, a practical Bayesian algorithm that accelerates gravitational-wave ringdown analysis with multiple quasi-normal modes by analytically marginalizing amplitude and phase parameters, thereby reducing computational time from hours to minutes while maintaining statistical rigor.
This paper presents new exact charged black hole solutions in (2+1)-dimensional gravity using a cubic non-metricity model, revealing novel asymptotically Anti-de Sitter configurations that lack General Relativity counterparts, while analyzing their unique horizon structures, softened singularities, thermodynamic stability, and orbital dynamics.
This paper demonstrates that Hamilton-Jacobi theory, when applied with appropriate solution branches, successfully describes gauge-invariant scalar perturbations transitioning from slow-roll to ultra-slow-roll inflation, revealing that the limit is unphysical for asymptotic long-wavelength solutions and refining the understanding of stochastic equations in such regimes.
This paper investigates the thermodynamic and optical properties of Einstein-Dyonic-ModMax black holes by incorporating Generalized Uncertainty Principle corrections and plasma effects, revealing that non-linear electrodynamics and quantum gravity modifications lead to stable remnants, frequency-dependent lensing signatures, and rich phase transition structures.
Using the NANOGrav 15-year data set, this study presents the first targeted searches for continuous gravitational waves from 114 active galactic nuclei, finding no significant evidence for supermassive black hole binaries but demonstrating improved sensitivity through electromagnetic priors and establishing a roadmap for future multimessenger detections.
This study reveals that in Schwarzschild spacetime, increasing the excitation number of multipartite states under the Hawking effect degrades quantum entanglement and mutual information while simultaneously enhancing quantum coherence, thereby offering a trade-off for optimizing different quantum information protocols in gravitational settings.
This paper presents a phenomenological Einstein-Cartan ekpyrotic model where a Weyssenhoff fluid's spin-torsion term, coupled to a scalar field with a steep exponential potential, dynamically damps shear and triggers a nonsingular bounce in a homogeneous universe, with numerical analysis confirming the stability of these trajectories against chaotic behavior.
This paper investigates a cosmological inflation model combining the Einstein-Hilbert action, Higgs potential, and a Gauss-Bonnet term with dilaton-like coupling, demonstrating through numerical analysis that the resulting inflationary observables align well with recent ACT DR6 data, whereas the model without the Gauss-Bonnet term reverts to chaotic inflation predictions.
This paper presents and investigates the properties of -boson stars, a generalization of standard boson stars parameterized by an angular momentum number , within spacetimes characterized by a negative cosmological constant that are asymptotically anti-de Sitter.
This paper investigates stellar dynamics within gravity, demonstrating that the theory yields second-order field equations free of ghosts and utilizing dynamical systems analysis to reveal that the autonomous isotropy equation possesses generally stable invariant submanifolds.