Mathematical physics sits at the fascinating intersection where abstract equations meet the fundamental laws of our universe. This field uses rigorous mathematical tools to model everything from the behavior of subatomic particles to the curvature of spacetime, turning complex theories into testable predictions. It is the language through which physicists describe reality, bridging the gap between pure mathematics and physical observation.

On Gist.Science, we process every new preprint published in this category on arXiv to make these dense studies accessible to everyone. Whether you are a specialist or a curious reader, you will find both plain-language overviews and detailed technical summaries for each paper. Below are the latest mathematical physics papers from arXiv, curated to help you explore the cutting edge of theoretical science.

🔢 mathematics

On the pair correlation function of the Sineβ_\beta process

This paper establishes new representations, continuity, and asymptotic estimates for the pair correlation function of the Sineβ_\beta process across all β>0\beta>0 by analyzing the one-point function of the HP⁡β,δ\operatorname{HP}_{\beta,\delta} process, while providing explicit characterizations and power series expansions for even integer values of β\beta that recover classical results for β=2\beta=2 and $4$.

Yahui Qu, Benedek Valkó2026-10-19
🔢 mathematics

Mean-Field Dynamics of the Bose-Hubbard Model in High Dimension

This paper rigorously proves the validity of a mean-field approximation for the Bose-Hubbard model in high dimensions by establishing a trace norm estimate between the Schrödinger dynamics and a non-trivial mean-field equation that preserves full interactions, thereby providing a mathematical justification for dynamical mean-field theory (DMFT) in capturing the superfluid-to-Mott insulator transition.

Shahnaz Farhat, Denis Périce, Sören Petrat2026-10-19
🔢 mathematics

Uniform restriction lower bounds and nongeodesic common nodal curves in integrable systems

This paper constructs real analytic metrics on the two-torus featuring a fixed nongeodesic circle as a common nodal component for infinitely many Laplace eigenfunctions, thereby providing counterexamples to conjectures by Bourgain-Rudnick, Toth-Zelditch, and Han regarding the necessity of geodesicity for such curves, while establishing uniform L2L^2 lower bounds for joint eigenfunctions in quantum completely integrable systems to explain the underlying restriction obstructions.

Xianchao Wu, Xiao Xiao2026-10-19
🔢 mathematics

Memory effects in the homogenization of a viscous fluid containing elastic particles

This paper establishes that in the homogenization of a viscous fluid containing a periodic array of tiny elastic inclusions within a critical scaling regime, the macroscopic fluid behavior is governed by a Stokes system with memory, where the memory kernels exhibit persistent oscillations for infinite stiffness scaling but decay due to viscous dissipation for finite scaling.

J. Casado-D\'ıaz, A. R. Hormigo-Molina2026-10-19
🔢 mathematics

Plastic Flow Rule Based on Dislocation Link Velocity

This paper presents a dislocation-link-based plastic flow rule for FCC crystals that accurately reproduces discrete dislocation dynamics data by demonstrating that the exponential dependence of shear rate on stress arises from the filtering of an exponential link-length distribution through a threshold-like velocity function, revealing that the supply of long dislocation links is the dominant factor controlling slip activity rather than the direct effect of resolved shear stress.

Hanfeng Zhai, Sh. Akhondzadeh, Ryan B. Sills, Nicolas Bertin, Wei Cai2026-10-19