⚛️ Category

gr-qc

3949 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

Equatorial periodic orbits and gravitational wave signatures in Euler-Heisenberg black holes surrounded by perfect fluid dark matter

This paper investigates equatorial periodic orbits and their gravitational wave signatures in Euler-Heisenberg black holes surrounded by perfect fluid dark matter, revealing how quantum electrodynamic corrections and dark matter jointly modify orbital stability and produce distinct burst-like waveform features that serve as sensitive probes for strong-field gravity.

Dhruba Jyoti Gogoi, Jyatsnasree Bora, Ali Övgün2026-04-15
⚛️ general relativity

Post-Newtonian inspiral waveform model for eccentric precessing binaries with higher-order modes and matter effects

This paper introduces pyEFPEHM, an improved post-Newtonian inspiral waveform model for eccentric, spin-precessing compact binaries that incorporates higher-order modes, matter effects, and enhanced quasi-circular corrections, offering a robust and efficient tool for gravitational-wave analysis across a broad parameter space while acknowledging limitations in extreme regimes.

Gonzalo Morras, Geraint Pratten, Patricia Schmidt, Alessandra Buonanno2026-04-15
⚛️ general relativity

Distinguish Bardeen-like black holes by Gravitational lensing

This paper investigates gravitational lensing by Bardeen-like regular black holes without Cauchy horizons, demonstrating that while weak-field predictions align with current observations of ESO 325-G004, strong-field measurements of relativistic images around Sgr A* and M87*—specifically the angular separation, flux ratio, and time delays—could distinguish these models from Schwarzschild black holes through future observations.

Limei Yuan, Chen-Hung Hsiao, Yidun Wan2026-04-15
⚛️ high-energy theory

Infrared Spectral Gap in a Gluonic Dark Sector as the Origin of the Galactic Acceleration Scale

This paper proposes that the universal galactic acceleration scale arises from a trace-anomaly-induced infrared spectral gap in a coherent, color-neutral gluonic dark sector governed by Anti de Sitter symmetry, which generates a characteristic acceleration scale within standard Newtonian gravity without requiring modified gravity or specific formation histories.

Gilles Cohen-Tannoudji, Jean-Pierre Gazeau, Hamed Pejhan, Jean-Pierre Treuil2026-04-15