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

Hyperpfaffian Correlations for Beta-Ensembles: Beta an Even Square Integer

This paper establishes a hyperpfaffian framework for computing correlation functions in β\beta-ensembles where β\beta is an even square integer (L2L^2), generalizing skew-orthogonal polynomials to construct sparse LL-vector valued functions that express mm-point correlations via Vandermonde determinants and hyperpfaffians, with explicit applications to circular ensembles and the β=16\beta=16 case.

Christopher D. Sinclair, Jonathan M. Wells2026-07-28
🔢 mathematics

Apparent Universal Behavior in Second Moments of Random Quantum Circuits

This paper presents numerical results and theoretical insights up to 50 qubits to characterize the convergence rates of random quantum circuits to approximate 2-designs, revealing that while most architectures achieve this in logarithmic depth, specific graph topologies like the star graph exhibit a separation between anticoncentration and 2-design formation, and that practical 2-designs can be constructed with significantly fewer layers than previously thought.

Daniel Belkin, James Allen, Bryan K. Clark2026-07-28
🔢 mathematics

Curvature Decay and the Spectrum of the Non-Abelian Laplacian on R3\mathbb{R}^3

This paper establishes that the essential spectrum of the non-Abelian covariant Laplacian on R3\mathbb{R}^3 remains [0,)[0, \infty) if the curvature decays faster than x3|x|^{-3}, while demonstrating that this threshold is sharp by constructing a smooth connection with x3|x|^{-3} decay where zero enters the essential spectrum.

Michael Wilson2026-07-28
⚛️ high-energy theory

Eigenfunctions of deformed Schrödinger equations

This paper utilizes the open topological string/spectral theory correspondence to construct exact, analytic generalized eigenfunctions for a class of finite-difference Schrödinger operators arising from N=2\mathcal{N}=2 supersymmetric Yang-Mills theory, providing a rare example of an exactly solvable spectral problem that describes both bound and resonant states across arbitrary polynomial potentials.

Matijn François, Alba Grassi, Tommaso Pedroni2026-07-28
⚛️ quantum physics

Wigner negativity and stellar rank for SU(1,1) states

This paper establishes a comprehensive framework for characterizing quantum resources in SU(1,1) systems by constructing covariant quasiprobability distributions on the Poincaré disk, demonstrating that Wigner negativity serves as a definitive witness of nonclassicality for these states, and introducing stellar rank and generalized multipoles as complementary tools for quantifying quantumness.

A. B. Klimov, A. Muñoz, F. Leuchs, J. -P. Gazeau, L. L. Sanchez-Soto2026-07-28