3256 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 presents fully 1.5 post-Newtonian accurate closed-form solutions for spinning, eccentric binary black hole systems by combining two recent methodological approaches, validates them through a public Mathematica toolkit and numerical comparisons, and establishes a foundation for extending these action-angle-based solutions to the 2PN order.
This paper employs Worldline Effective Field Theory to compute conservative and radiative corrections to the dynamics of inspiralling non-spinning black hole binaries in a dark matter environment containing axion-like particles and dark photons, determining the specific post-Newtonian orders at which axion-electromagnetic coupling and kinetic mixing influence orbital evolution and gravitational or scalar radiation.
This paper investigates the thermodynamic properties, stability, and Joule-Thomson expansion of static charged dilaton black holes in 2+1 dimensions within both canonical and grand canonical ensembles, revealing distinct stability regimes based on the coupling parameter and identifying a Hawking-Page phase transition for specific values.
This paper systematically distinguishes between covering constructions and spacetime extensions to classify a natural family of Hausdorff and non-Hausdorff extensions of Misner spacetime, providing explicit embeddings, a classification theorem, and causal invariants that differentiate these structures from two-dimensional Schwarzschild-type metrics.
This paper presents a coordinate- and spacetime-independent scalar-field solution within quantum field theory that unifies descriptions across various cosmological models, locally recovers standard Minkowski physics, and remains non-perturbative in strong gravitational fields.
This paper presents a stationary axisymmetric traversable wormhole model featuring a throat-localized conical dressing that generates two cosmic-string cores saturating the radial null energy condition, while numerical analysis of scalar perturbations reveals that the dressed throat's primary dynamical signature is nonaxisymmetric angular-channel mixing.
This paper proves a global well-posedness and asymptotic convergence theorem for the -dimensional vacuum Einstein equations with a positive cosmological constant on globally hyperbolic spacetimes with negative Yamabe type manifolds, demonstrating that large initial data leads to solutions converging to a constant negative scalar curvature metric via a new integrable damping mechanism, thereby confirming Ringström's conjecture that such dynamics do not canonically encode the Thurston geometrization of the underlying three-manifold.
This paper proposes that the spacetime metric encodes the relational information from quantum correlations with local reference frames, and by imposing a constraint on conditional entropy, this framework derives the full nonlinear Einstein equation with a cosmological constant.
InflationEasy is a C++ lattice code that extends the capabilities of LATTICEEASY to simulate nonlinear scalar field dynamics in an expanding universe, enabling fully nonperturbative studies of inflationary regimes, primordial black hole formation, and scalar-induced gravitational waves through features like a nonperturbative method.
This study demonstrates that utilizing updated Planck CMB likelihoods (PR4 LoLLiPoP and HiLLiPoP) reduces the lensing anomaly and preference for non-standard curvature, while combined CMB, BAO, and SNIa data in the CDM framework favor time-evolving dark energy consistent with recent DESI results.