⚛️ Category

gr-qc

3919 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

Formulation of testing gravitational redshift based on Laser Time link between China Space Station and a ground station

This paper presents a high-precision gravitational redshift test using the China Space Station's Laser Time Transfer system, achieving a verification precision of approximately 10⁻⁷ by leveraging a c⁻³ relativistic model to eliminate ionospheric and first-order Doppler effects, thereby establishing a new benchmark for fundamental physics and geodetic applications.

Rui Xu, Wenbin Shen, Hok Sum Fok, Pengfei Zhang, Lihong Li, Lei Wang, Kuangchao Wu, An Ning, Youchao Xie, Ziyu Shen, Lin (…)2026-05-11
⚛️ general relativity

Traversable wormholes in f(Q)\boldsymbol{f(Q)} gravity: Energy conditions, stability and quasinormal modes

This paper demonstrates that the power-law f(Q)=γ(−Q)mf(Q)=\gamma(-Q)^m gravity model supports static, spherically symmetric traversable wormhole solutions sustained by localized violations of energy conditions and repulsive anisotropic stresses, which are shown to be both geometrically consistent and dynamically stable through equilibrium analysis, quasinormal mode calculations, and time-domain simulations.

Jaydeep Goswami, Rupam Jyoti Borah, Umananda Dev Goswami2026-05-11
⚛️ general relativity

Black holes at a finite distance: Quasi-local restricted phase space formalism

This paper extends the restricted phase space formalism to quasi-local regimes with static observers at finite distances, demonstrating that RN black holes in this setting exhibit thermodynamic behaviors and phase transitions strikingly similar to asymptotic RN-AdS black holes, including Hawking-Page-like transitions in the neutral limit, provided an extra pair of thermodynamic variables (pressure and boundary area) is included.

Bai-Hao Huang, Liu Zhao2026-05-11✓ Author reviewed ⓘ
🔢 mathematics

Teleparallel gravity from the principal bundle viewpoint

This article investigates whether the teleparallel equivalent of general relativity (TEGR) can be formulated as a gauge theory on principal fiber bundles by analyzing how the treatment of the non-dynamical teleparallel connection as either an absolute element or a non-absolute structure determines whether the gauge group of the theory is a subgroup of or the entire diffeomorphism group.

Sebastian Brezina, Eugenia Boffo, Martin Krššák2026-05-08