2677 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 "Einstein Fields," a novel neural tensor field representation that compresses complex four-dimensional numerical relativity simulations into compact neural network weights, offering significant improvements in storage efficiency, derivative accuracy, and mesh-agnostic continuum modeling compared to traditional discrete methods.
This paper presents a semi-analytical hybrid MHD model that combines black hole-driven and disk-driven jet components to demonstrate how velocity and density discontinuities at their interface can explain observed phenomena like limb-brightening.
This paper demonstrates that classical charged rotating black hole spacetimes in various dimensions can be reconstructed from scattering amplitudes, revealing that a non-minimal Pauli coupling is required to correctly describe the gyromagnetic factor in dimensions higher than four.
This paper uses a (3+1)-dimensional holographic model to systematically investigate the low-energy collective dynamics of fractonic solids, identifying various hydrodynamic excitations and demonstrating that the subdiffusive mode is inherently protected by crystal-dipole symmetry.
This paper demonstrates that applying shear strain to holographic axion black holes eliminates the inner Cauchy horizon, causing the interior to collapse into a spacelike singularity characterized by anisotropic Kasner-like dynamics or domain wall solutions.
This paper investigates how the ModMax parameter affects test particle dynamics and Quasi-Periodic Oscillations (QPOs) around black holes, ultimately using MCMC analysis on observational data to place constraints on the parameter.
This paper presents a high-order calculation of the conservative radial action and scattering angle for two non-spinning bodies in general relativity up to , utilizing a scattering-amplitude framework and improved integration-by-parts algorithms to include second-order self-force effects without truncation.
This paper proposes a technique using temporal anticoincidence to suppress non-coincident terrestrial noise transients in gravitational-wave detectors, thereby improving search sensitivity and reducing background noise in the detection of transient signals like binary black hole mergers.
This study analyzes a high-quality sample of 36 wide binary stars with precise 3D velocities to demonstrate a statistically significant () gravitational anomaly at low accelerations, finding a gravity boost factor of that contradicts standard Newtonian gravity and supports nonstandard paradigms like MOND.
This paper demonstrates that a moving boundary in a Rindler spacetime induces quantized modes for Klein-Gordon and Maxwell fields, a phenomenon mathematically characterized by an anomalous potential and linked to particle production via Bogoliubov transformations.