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.

⚛️ phenomenology

Scattering Amplitudes and Conservative Binary Dynamics at O(G5)O(G^5) without Self-Force Truncation

This paper presents a high-order calculation of the conservative radial action and scattering angle for two non-spinning bodies in general relativity up to O(G5)O(G^5), utilizing a scattering-amplitude framework and improved integration-by-parts algorithms to include second-order self-force effects without truncation.

Zvi Bern, Enrico Herrmann, Radu Roiban, Michael S. Ruf, Alexander V. Smirnov, Sid Smith, Mao Zeng2026-02-10
⚛️ general relativity

Prospective bounds on f(Q) gravity with pulsar timing arrays

This paper investigates how pulsar timing array data can constrain symmetric teleparallel f(Q)f(Q) gravity by analyzing modified damping in gravitational wave amplitudes, finding that while current data is consistent with General Relativity, future observatories like the Square Kilometre Array (SKA) will have the precision to potentially distinguish f(Q)f(Q) gravity from standard theory.

Mohammadreza Davari, Alireza Allahyari2026-02-10