3875 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 introduces a new computational method based on numerical relativity techniques, implemented in the SpECTRE code, which successfully performs generic second-order self-force calculations in Kerr spacetime with exponential convergence for high-spin black holes, offering a scalable path toward modeling gravitational waveforms for the LISA mission.
This paper presents the first constraints on the ellipticities and self-interaction parameters of fermionic dark matter-admixed neutron stars by analyzing LIGO O3 continuous gravitational-wave data, demonstrating that such searches can effectively probe "dark mountains" and exclude specific regions of dark matter parameter space.
This study demonstrates that networks of upgraded LIGO detectors (A#) and next-generation observatories (Cosmic Explorer and Einstein Telescope) can independently constrain the peak redshift of the star formation rate with precisions of and , respectively, by analyzing the redshift evolution of binary black hole mergers.
This paper investigates apparent bifurcation phenomena, specifically the existence of multiple solutions with quadratic folds, in the conformal formulations of the Einstein constraint equations by applying modern bifurcation theory and numerical homotopy methods using the AUTO software to verify these findings.
This paper presents a unified semi-analytic framework for analyzing light deflection in generic static, spherically symmetric spacetimes by deriving a master equation for the bending angle and validating three complementary approximation techniques—homotopy perturbation, variational iteration, and impulse methods—against exact numerical solutions, with specific application to scalar-hairy black hole models.
This paper utilizes gauge-gravity duality to characterize the low-energy dynamics of systems with higher-form symmetries, revealing how double-trace deformations and bulk masses induce distinct hydrodynamic and quasihydrodynamic regimes constrained by pole collisions, emergent symmetries, and novel strong/weak dualities.
This paper demonstrates that non-trivial stringy excitations and self-contained clocks can emerge dynamically in three-dimensional de Sitter space through gravitational junctions and memory effects, governed by Nambu-Goto and Nambu-Goto-Monge-Ampère equations without requiring external observers.
This paper investigates how dynamic mass variations and the presence of a stable photon sphere near extremal black holes alter orbital periapsis shifts, demonstrating that these qualitative changes in strong-field orbital behavior serve as a viable experimental probe for the Weak Gravity Conjecture.
This paper proposes a Hamiltonian formalism for gravitational dynamics in a coherent state basis that describes how non-orthogonal quasiclassical geometries evolve into superpositions, offering a mechanism for geometry tunneling and suggesting a path to preserving unitarity during black hole evaporation through quantum corrections.
This paper provides a semi-analytic study of the Nariai limit in Kerr-de Sitter and Myers-Perry black holes to demonstrate that massive scalar field quasinormal modes form an exceptional line in parameter space, leading to unique excitation phenomena such as destructive interference and transient linear growth near these double-pole frequencies.