3255 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 advocates for comparing astrophysical population-synthesis models directly to gravitational-wave data in observable space rather than reconstructing the underlying population, demonstrating that this approach respects model validity domains and enables unbiased inference of the observable compact-binary population using LIGO-Virgo-KAGRA data.
This paper demonstrates that nonvanishing spatial curvature in an initially empty universe generates primordial matter through quantum gravity effects, which is characterized by a stiff equation of state and alters the early universe's expansion history via modified Friedmann equations.
This paper investigates interacting -essence dark energy models with non-pressureless dark matter under two interaction scenarios, demonstrating through autonomous system analysis and extensive observational constraints that these models successfully reproduce cosmological evolution, yield values of 67–70 km/s/Mpc, and remain statistically competitive with the standard CDM model.
This paper presents a new black hole solution in bumblebee gravity with non-commutative corrections, analyzing its horizon properties, light propagation, and shadow to derive observational constraints from Event Horizon Telescope data and Solar System experiments.
This paper demonstrates that black holes with significant synchronized or resonant bosonic hair are dynamically unstable, causing their event horizons to be ejected from the center of their scalar environments in a process termed "splitting."
This paper proposes using linear Paul traps with single or multi-ion configurations to detect megahertz gravitational waves via graviton-photon conversion or relative-motion excitations, demonstrating that entangling vibrational qubits enhances signal probability by a factor of to surpass the standard quantum limit.
This paper presents a numerical study demonstrating that while massive particles scattering off Reissner-Nordström black holes are confined to a narrow range of deflection angles due to an event horizon, those interacting with naked singularities are scattered in all directions by a repulsive core, leading to distinct observable signatures in tidal disruption events.
This paper establishes a direct connection between three-dimensional gravity with chiral boundary conditions and a class of forced integrable systems, demonstrating that the boundary dynamics are governed by a forced potential modified KdV equation where the forcing term is self-consistently determined by the eigenfunctions of an associated Schrödinger operator.
This study employs the model-independent GLANCE pipeline to quantify the false alarm rates of incorrectly identifying unlensed binary black hole mergers as lensed events, revealing that such misclassifications occur in approximately 0.01% of pairs with time delays exceeding 1000 days under current LIGO sensitivities.
This paper reinterprets the circular Unruh effect by demonstrating that the tree-level decay of uniformly rotating particles arises from the emission of negative-energy quanta due to the absence of a global vacuum state, thereby proving that such particles cannot be stable without invoking a thermal bath.