⚛️ Category

gr-qc

3884 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.

⚛️ high-energy theory

Generation of gravitating solutions with Baryonic charge from Einstein-Scalar-Maxwell seeds

This paper establishes the first exact correspondence between Einstein-scalar-Maxwell theory and gauged Skyrme-Maxwell-Einstein models, enabling the transfer of electrovacuum solution-generating techniques to construct new exact solutions with nonvanishing baryonic charge, including a rotating configuration where baryonic charge quantization enforces a quantization of the Kerr rotation parameter.

Fabrizio Canfora, Anibal Neira, Seung Hun Oh2026-05-14
⚛️ general relativity

Phase-resolved field-space distance bounds in ekpyrotic, bouncing and cyclic cosmologies

This paper establishes a phase-resolved field-space distance budget for non-inflationary cosmologies, deriving new constraints on ekpyrotic and bouncing models by integrating anisotropy suppression, quantum gravity-inspired cutoffs, and observational limits to demonstrate that achieving scale-invariant perturbations with a red tilt necessitates ultra-fast-roll dynamics, sharp turns, or significant negative field-space curvature.

Marcin Postolak2026-05-14
⚛️ high-energy theory

Criticality Quenching and Microstructure of Quintessence-AdS Black Holes

This study utilizes Ruppeiner thermodynamic geometry in the grand canonical ensemble to demonstrate that quintessence-adorned Reissner-Nordström Anti-de Sitter black holes exhibit a unique transition from dominant attractive to repulsive microscopic interactions as electric potential increases, while maintaining constant interaction strength during phase transitions.

Apurba Tiwari, Randeep Kaur, Javed Khan Bhutto, Thafasalijyas Vayalpurayil, Mohammed Sayeeduddin Habeeb2026-05-14
⚛️ general relativity

Jets from Scratch: A 3D Dynamo Origin of Long Gamma-Ray Burst Jets

This paper presents the first 3D general-relativistic magnetohydrodynamic simulations demonstrating that an in situ accretion-disk dynamo can convert toroidal magnetic fields into coherent poloidal structures, thereby launching highly variable, wobbling relativistic jets with sufficient power to explain long gamma-ray bursts without requiring a pre-existing large-scale poloidal field.

Ho-Sang Chan, Ore Gottlieb, Jonatan Jacquemin-Ide, Matteo Cantiello, Mathieu Renzo2026-05-14
⚛️ general relativity

Inspiral gravitational waveforms from charged compact binaries with scalar hair

This paper derives gravitational waveforms for charged compact binaries in Einstein-scalar-Maxwell theories, demonstrating how scalar and vector charges induce dipole radiation and phase modifications characterized by a single parameter bb, which is constrained by binary pulsar observations and applicable to black hole, neutron star, and exotic compact object systems.

Antonio De Felice, Shinji Tsujikawa2026-05-14
⚛️ general relativity

Geodesics Structure and Thermodynamic Properties of Gaussian Black Hole in Quadratic Ricci Scaler Gravity

This paper investigates and compares the geodesic motion of test particles and the thermodynamic stability of Gaussian Black Holes in both Einstein and modified quadratic Ricci scalar gravities, concluding that while differences exist in both aspects, the modified gravity model aligns more closely with physical reality, particularly in its thermodynamic behavior.

M. Haditale, B. Malekolkalami2026-05-14
⚛️ general relativity

Observational signatures of misaligned double-ring and double-torus configurations around a Schwarzschild black hole

This paper uses general-relativistic ray tracing to demonstrate that misaligned double-ring and double-torus configurations around a Schwarzschild black hole produce distinct observational signatures, including multi-peak spectral profiles and asymmetric flux distributions, which serve as diagnostic features for non-coplanar accretion structures.

Dmitriy Ovchinnikov, Jan Schee, Zdeněk Stuchlík2026-05-14