gr-qc papers | Gist.Science

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.

Nonlocal-in-time tail effects in gravitational scattering to fifth Post-Minkowskian and tenth self-force orders

Using worldline effective field theory and the novel Sparse Integral Reducer (SpideR) integration algorithm, this paper derives the nonlocal-in-time conservative tail effects in gravitational scattering up to fifth Post-Minkowskian and tenth self-force orders, expressing the results in terms of multiple polylogarithms and confirming consistency with existing literature through sixth post-Newtonian order.

Christoph Dlapa, Gregor Kälin, Zhengwen Liu, Rafael A. Porto2026-04-29⚛️ hep-th

Signatures of a de Sitter-core black hole in ringing, transmission and optical appearance

This paper investigates the physical signatures of a black hole with a de Sitter core by analyzing how the core scale affects its quasinormal modes, greybody transmission, Hawking radiation, and optical shadow appearance.

N. Heidari, A. A. Araújo Filho, V. Vertogradov and, A. Övgün2026-04-28⚛️ gr-qc

On Legacy of Starobinsky Inflation

This memorial paper presents the Starobinsky inflation model from a modern perspective, proposes its deformation for the production of primordial black holes, discusses quantum corrections within the framework of superstring theory and the Swampland program, and highlights its universal reheating mechanism.

Sergei V. Ketov2026-04-28⚛️ hep-th

Quantum-Corrected Thermodynamics of Conformal Weyl Gravity Black Holes: GUP Effects and Phase Transitions

This paper investigates the thermodynamic properties of Conformal Weyl Gravity black holes by applying the Hamilton-Jacobi tunneling formalism and the Generalized Uncertainty Principle, revealing how quantum corrections and conformal parameters modify Hawking temperature, entropy, and phase transition behaviors near the Planck scale.

Erdem Sucu, Suat Dengiz, İzzet Sakallı2026-04-28⚛️ gr-qc

Stochastic Inflation with Interacting Noises

This contribution extends the stochastic $\delta N$ formalism to interacting theories by deriving modified Langevin and Fokker-Planck equations that incorporate one-loop quantum corrections, and demonstrates that the noise amplitude in scenarios such as primordial black hole formation is enhanced by a factor depending on the fractional correction to the power spectrum.

Amin Nassiri-Rad, Haidar Sheikhahmadi, Hassan Firouzjahi2026-04-28⚛️ gr-qc

de Sitter Corrections to Gravitational Wave Memory

This paper calculates the leading-order corrections to gravitational wave displacement and spin memory effects caused by a positive cosmological constant in de Sitter spacetime, finding that these corrections are proportional to $\Lambda$ and currently too small for detection.

Anthi Voulgari Revof, Shubhanshu Tiwari2026-04-28⚛️ gr-qc

The CatWISE2020 Quasar dipole: A Reassessment of the Cosmic Dipole Anomaly

This paper reassesses the reported cosmic dipole anomaly in the CatWISE2020 quasar catalog using a comprehensive simulation framework, finding that while the statistical significance of the discrepancy decreases from $4.9\sigma$ to approximately $3.3\sigma$ – $3.6\sigma$ , the anomaly remains unexplained by clustering or survey geometry alone.

Masroor Bashir, Pravabati Chingangbam, Stephen Appleby2026-04-28⚛️ gr-qc

No, classical gravity does not entangle quantized matter fields

The authors argue that the claim by Aziz and Howl that classical gravity can entangle quantized matter fields is incorrect, demonstrating that their perturbative results are inconsistent with a more fundamental, non-perturbative derivation.

Lajos Diósi2026-04-28⚛️ gr-qc

Entanglement inequalities, black holes and the architecture of typical states

By using holographic realizations of the Araki-Lieb inequality, this paper demonstrates that typical pure states in large $N$ holographic CFTs exhibit a characteristic factorization between ultraviolet and infrared scales, implying that black holes can be effectively isolated from an asymptotic "corona" and providing a generalized framework for the Eigenstate Thermalization Hypothesis.

Radouane Gannouji, Ayan Mukhopadhyay, Nicolas Pinochet2026-04-28⚛️ hep-th

Constants of motion and fundamental frequencies for elliptic orbits at fourth post-Newtonian order

This paper derives the fourth post-Newtonian conservative map between the constants of motion and fundamental frequencies for nonspinning compact binaries on quasi-elliptic orbits, providing a resummed eccentricity enhancement function and validating the results against analytical self-force predictions for the orbit-averaged redshift invariant.

David Trestini2026-04-28⚛️ gr-qc

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