2101 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 **aurel**, an open-source Python package that streamlines both symbolic and numerical relativistic calculations by leveraging a flexible caching system and finite-difference methods to process data from analytical expressions or Numerical Relativity simulations.
This paper derives analytical solutions for -dimensional black strings and BTZ black holes sourced by the Dekel-Zhao dark matter profile, revealing that the dark matter environment induces curvature singularities, violates the dominant energy condition, and sensitively alters the horizon structure and thermodynamic properties while preserving overall stability.
This paper proposes a scale-invariant relational framework for the universe, demonstrating that the dynamics of the -body problem on shape space naturally generate cosmic web-like structures and a gravitational arrow of time through the spontaneous evolution away from a uniform central configuration.
Through numerical simulations of charged scalar field scattering in super-extremal Reissner-Nordström spacetimes, this study demonstrates that dynamical extremal black holes act as universal threshold solutions characterized by divergent energy density and unbounded scalar curvature growth just inside the horizon, implying that near-critical collapse scenarios without black holes can produce large curvatures visible from future null infinity.
This paper establishes a duality-covariant framework for the generalized Kosmann derivative by expressing it in terms of generalized fluxes and a compensating momentum map, thereby enabling the construction of conserved currents and Noether charges in doubled geometry with direct implications for black hole thermodynamics.
This paper utilizes quasi-periodic oscillations from five X-ray binaries and the relativistic precession model to constrain the mass, spin, magnetic charge, and nonminimal coupling parameters of a rotating regular magnetic black hole, demonstrating that its characteristic precession frequencies are suppressed compared to the standard Kerr black hole.
This paper demonstrates that, contrary to the conventional belief that black hole gravity universally degrades quantum correlations, the maximal entanglement of a four-qubit cluster state for fermionic fields in Schwarzschild spacetime remains perfectly preserved and "frozen" regardless of increasing Hawking temperature.
This paper presents a numerical simulation of stochastic cosmological dynamics on a de Sitter background that simultaneously solves Langevin equations for infrared modes and equations for ultraviolet modes to capture non-Markovian memory effects, revealing that consistent treatment of effective masses preserves flat directions in the MSSM while demonstrating that non-Markovian contributions induce significant quantitative differences in stationary configurations under strong coupling.
This paper proposes that gravity emerges in the infrared as an induced phenomenon from the renormalization group flow of a non-gravitating quantum field theory, where the transition from rigid Dirichlet to mixed boundary conditions "unfreezes" the metric into a dynamical field, suggesting that seeking a fundamental quantum theory of gravity may be as misguided as quantizing hydrodynamics to understand water.
This paper introduces two numerical methods to calculate exact Post-Newtonian parameters in Brans-Dicke and Entangled Relativity theories, revealing significant deviations from General Relativity for compact objects and demonstrating that the theory's testability critically depends on whether the matter Lagrangian is defined by energy density or the trace of the stress-energy tensor.