3826 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 establishes that the redundancy of objective facts in quantum Darwinism generates a specific thermodynamic resource called the "thermodynamic factuality charge," which quantifies the exact work asymmetry and erasure penalty incurred by controllers with restricted access compared to a global controller, without modifying the fundamental laws of quantum mechanics.
This paper establishes a quantitative framework for third-generation gravitational-wave detectors by demonstrating that the signal-to-noise ratio required to decisively distinguish between neutron star equation-of-state models follows a predictable power-law scaling derived from Bayesian evidence and Occam factors.
This paper proposes a new information-theoretic black hole entropy formula based on Kullback-Leibler divergence that resolves the conflict with the third law of thermodynamics while recovering the Bekenstein-Hawking area law as a high-temperature leading term.
This paper extends an information-theoretic black hole entropy, defined via Kullback-Leibler divergence and satisfying the Nernst third law, to charged and rotating Kerr-Newman cases while demonstrating that its thermodynamic properties can be reproduced by an infrared deformation of General Relativity that generates a small positive effective cosmological term.
This paper demonstrates that for idealized levitated protocols, the ratio of mass-proportional continuous spontaneous localization (CSL) to Diósi–Penrose (DP) decoherence exponents is independent of mass and time, depending solely on geometric factors, thereby revealing that identical ensemble decoherence kernels can arise from physically distinct dynamics and highlighting the need for specific observables to decisively discriminate between these collapse models.
This paper characterizes the full family of static, spherically symmetric axion-dilaton solutions in four-dimensional string theory as orbits of the FJNW solution and demonstrates that, unlike the Schwarzschild black hole which saturates the curvature threshold at the string-black-hole correspondence surface, all scalar-haired branches exhibit larger curvature diagnostics, though they may still remain under perturbative control in the weak-coupling regime.
This paper employs a high-precision Chebyshev spectral method to provide a unified analysis of scalar, vector, and tensor quasinormal modes in higher-dimensional Gauss-Bonnet black holes, revealing robust signatures of higher-curvature dynamics, proving exact isospectrality in specific sectors, confirming a six-dimensional tensor instability, and suggesting potential detectability by future space-based gravitational wave observatories.
This paper develops a practical framework for quantum large deviation theory by demonstrating that dominant rare fluctuations minimize measurement-induced relative entropy, thereby bridging the gap between thermal and quantum regimes in systems ranging from anharmonic oscillators to stochastic inflation in cosmology.
This paper demonstrates that universal relations connecting the moment of inertia, tidal deformability, and spin-induced quadrupole moment remain valid for elastic hybrid and quark stars with realistic crystalline color superconducting phases, exhibiting only slightly larger variations than those observed in typical fluid stars.
This study analyzes eight linear and non-linear interacting dark energy models using DESI DR2 data, finding that they generally provide a better statistical fit than CDM and exhibit sign-switching energy transfer or phantom-divide crossings, though these improvements are accompanied by unphysical negative dark energy densities that necessitate further investigation with early-time datasets.