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.

⚛️ high-energy theory

From Bertotti--Robinson to Vacuum: New Exact Solutions in General Relativity via Harrison and Inversion Symmetries

This paper constructs new accelerating vacuum solutions in General Relativity by applying Harrison and Inversion symmetries to electrovacuum configurations, demonstrating how external electromagnetic fields can be removed to leave non-trivial gravitational backreactions, including a new two-parameter extension of the Schwarzschild–Levi-Civita geometry and a stationary generalization.

José Barrientos, Adolfo Cisterna, Amaro Díaz, Keanu Müller2026-03-10
⚛️ phenomenology

Modified Teukolsky formalism: Null testing and numerical benchmarking

This paper validates a modified Teukolsky framework for predicting gravitational-wave ringdown spectra in effective field theories by successfully passing two rigorous null tests and confirming consistency between two independent numerical methods, thereby establishing its reliability for future strong-field tests of General Relativity.

Fawzi Aly, Mahmoud A. Mansour, Luis Lehner, Dejan Stojkovic, Dongjun Li, Pratik Wagle2026-03-10
⚛️ general relativity

Black hole solutions surrounded by an anisotropic fluid in a Kalb--Ramond two--form background

This paper derives exact analytical solutions for static, spherically symmetric black holes in a Kalb-Ramond gravity background coupled with anisotropic fluids, analyzing their singularity structure, energy conditions, and optical properties—including photon spheres, shadows, and light deflection angles—to identify observable signatures that distinguish these string-inspired models from standard Schwarzschild geometries.

Y. Sekhmani, A. Al-Badawi, Mohsen Fathi, A. Vachher, Sushant G. Ghosh2026-03-10
⚛️ general relativity

Dyonic black holes from dimensional reduction of five-dimensional Einstein-Gauss-Bonnet gravity

This paper investigates general black hole solutions in dimensionally reduced five-dimensional Einstein-Gauss-Bonnet gravity, revealing that the resulting theory with nonlinear corrections and nontrivial couplings exhibits unique features such as extremal mass in neutral cases and nonvanishing temperature and entropy for extremal black holes, distinguishing it from standard Kaluza-Klein theory.

Z. Belkhadria, S. Mignemi, F. Paderi2026-03-10
🔭 astrophysics

Study of the cosmological tensions and DESI-DR2 in the framework of the Little Rip model

This paper investigates the Little Rip dark energy model as a potential solution to the H0H_0 and S8S_8 cosmological tensions using recent observational data, including DESI-DR2, and finds that while the model reduces the Hubble tension to below 3σ3\sigma with early-universe data, Bayesian evidence indicates it only provides a statistically improved fit for CMB data compared to the standard Λ\LambdaCDM model.

Safae Dahmani, Imad El Bojaddaini, Amine Bouali, Ahmed Errahmani, Taoufik Ouali2026-03-10