3294 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 proposes that an evaporating Schwarzschild black hole acts as nature's fastest information transmitter by saturating the maximal information transmission bound to prevent entropy divergence at the end of evaporation, while a de Sitter space functions as the fastest receiver by reproducing the trans-Planckian censorship conjecture under the same bound.
This paper establishes the existence and uniqueness of global finite energy solutions for the Maxwell-scalar field system in Lorenz gauge on the Einstein cylinder by combining conformal patching, Minkowski space results, data localization, and null form estimates, while noting that the solution exhibits small regularity losses in both the scalar field and potential due to the gauge's incomplete null structure.
This paper derives a closed-form metric for spherically symmetric static black holes obeying the vacuum equation of state with an arbitrary tangential pressure equation of state, thereby unifying regular and singular configurations, including the Kiselev black hole.
This paper investigates the inflationary gravitational wave background induced by Abelian gauge fields coupled to the inflaton, demonstrating that specific coupling functions yield a nearly scale-invariant spectrum and identifying parameter ranges where this secondary signal can exceed the standard background without disrupting inflationary dynamics.
This paper proposes an asymptotically free quantum quadratic gravity framework that dynamically transitions from ultraviolet freedom to infrared slow-roll inflation, successfully accommodating current cosmological constraints and predicting a minimum tensor-to-scalar ratio of 0.01 to ensure a viable reheating phase into the standard radiation era.
This paper presents a constructive framework that elevates gauge-invariant scattering amplitudes to define quantum field theory actions by promoting color-dual numerators to operators, thereby systematically deriving gravitational effective actions from gauge-theory components and extending color-kinematics duality from amplitudes to the operator level.
This paper demonstrates that the third law of black hole dynamics holds in Lovelock gravity for static, spherically symmetric charged black holes, as the range of admissible perturbations vanishes when surface gravity approaches zero, thereby preventing the attainment of extremality through any finite classical process.
This paper proposes a novel Herglotz-type formulation of gravity that incorporates dissipation through an action-dependent Lagrangian, successfully reconciling previously ruled-out linear models with observational data from solar system tests and offering a new mechanism for cosmic acceleration.
This paper proposes a four-dimensional gauge-gravity unification based on $SL(2N,C)$ Yang-Mills theory where spontaneous symmetry breaking and tetrad condensation induce Einstein-Cartan gravity and generate three composite fermion families, with anomaly matching uniquely selecting to yield the chain.
This paper introduces "noble gravitational atoms," a new class of spherically symmetric, self-gravitating scalar field solutions around black holes with angular momentum number , which exhibit unique density profiles near the event horizon and can possess galactic-scale sizes and lifetimes comparable to the Universe.