⚛️ Category

gr-qc

3839 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.

⚛️ general relativity

Classical and Loop Quantum Cosmology of Interacting Dark Energy: A Dynamical System Analysis with Superfluid Dark Matter and Dust Matter

This paper employs dynamical system analysis to demonstrate that while interacting dark energy and dark matter models exhibit stable late-time attractors in classical gravity, the introduction of quantum geometric corrections in Loop Quantum Cosmology eliminates these stable solutions, replacing the Big Bang singularity with a quantum bounce and leaving only saddle and non-hyperbolic critical points across all scenarios.

Mohd Shahalam, K. Yerzhanov, G. Bauyrzhan, P. K. Dhankar2026-07-03
⚛️ general relativity

The influence of lunar tidal potential on clock frequencies at different positions on Earth

This paper systematically investigates how lunar tidal potential induces fractional frequency shifts between Earth-based clocks at different positions, revealing that the Moon's longitude and latitude variations distinctly affect the phase and amplitude of these shifts, thereby offering critical insights for clock calibration and synchronization.

Hongbin Zhang, Yanyue Gao, Baocheng Zhang2026-07-03
⚛️ general relativity

Gravitational Waves from Primordial Black Holes: Connecting Low-Frequency Scalar-Induced Signatures to High-Frequency Binary Mergers

This paper establishes a model-independent framework connecting low-frequency scalar-induced gravitational waves and high-frequency primordial black hole merger signals, demonstrating that their shared origin in enhanced curvature perturbations allows for a unified probe of early-universe physics across widely separated frequency bands.

Ashu Kushwaha2026-07-03
⚛️ general relativity

Polarization Architecture of Steady GRMHD Jets from the Horizon to Infinity

This paper introduces a semi-analytic framework for GRMHD jets that reveals a scale-dependent polarization architecture, where near-horizon emission converges to a universal pattern dictated by black hole spin while large-scale emission is shaped by plasma loading and jet collimation, thereby providing a robust diagnostic for constraining black hole properties and jet dynamics.

Zhenyu Zhang, Yehui Hou, Yu Song, Yosuke Mizuno, Bin Chen2026-07-03
⚛️ general relativity

Rotating Black Holes and the Kerr/CFT Correspondence in Einstein-Bumblebee Gravity

This paper constructs five-dimensional rotating black holes in Einstein-Bumblebee gravity, demonstrating that while the Wald formalism and Komar integral yield different thermodynamic charges due to the Bumblebee coupling, the Kerr/CFT correspondence's microscopic entropy calculation precisely matches the Komar integral result rather than the Wald entropy.

Yu-Qi Chen, Jin-Yang Shen, Hai-Shan Liu2026-07-03
⚛️ general relativity

Chaotic behaviors of particles around the black hole with an anisotropic matter immersed in a magnetic field

This paper presents an exact solution for a static black hole with anisotropic matter in a magnetic field, revealing that while increasing anisotropic matter suppresses local chaos, variations in the magnetic field drive global transitions between regular and chaotic particle trajectories.

Khusan Alibekov, Hocheol Lee, Yovqochev Pahlavon, Bobomurat Ahmedov, Bum-Hoon Lee, Ahmadjon Abdujabbarov, Wonwoo Lee2026-07-03
⚛️ general relativity

Black Hole-Neutron Star Binaries near Neutron Star Disruption Limit in the Mass Regime of Event GW230529

This study uses numerical simulations to analyze BHNS mergers with masses consistent with GW230529, revealing that even below the predicted tidal disruption limit, low-mass accretion disks can form to power compact-binary gamma-ray bursts, while also highlighting discrepancies between current remnant mass models and simulation results for certain equations of state.

Tia Martineau, Francois Foucart, Mark Scheel, Matthew Duez, Lawrence Kidder, Harald Pfeiffer2026-07-02