Hep-Th, or high-energy theoretical physics, explores the fundamental building blocks of our universe and the forces that govern them. Researchers in this field use complex mathematics to understand everything from subatomic particles to the behavior of black holes, often pushing the boundaries of what we know about space and time.

At Gist.Science, we monitor the arXiv repository to ensure you stay ahead of the curve in this rapidly evolving discipline. For every new preprint uploaded to arXiv under this category, our team generates both accessible plain-language overviews and detailed technical summaries, making cutting-edge research understandable regardless of your background.

Below are the latest papers in high-energy theoretical physics, curated to help you navigate the most significant recent discoveries.

HyperPrecision: A Mathematica package for High-Precision Numerical Evaluation of Multivariate Hypergeometric Functions

This paper introduces HyperPrecision, a Mathematica package that enables high-precision numerical evaluation of multivariate hypergeometric functions and their Laurent expansions by automatically constructing Pfaffian systems, reducing them to ordinary differential equations along a contour, and solving them via the Frobenius method to overcome convergence limitations in physics and mathematics applications.

Sumit Banik, Souvik Bera2026-05-29🔢 math-ph

Quantum Cellular Automata on Symmetric Subalgebras

This paper establishes a complete classification of one-dimensional quantum cellular automata restricted to symmetric subalgebras under finite Abelian group symmetries, demonstrating that they are characterized by anyon permutation symmetries and a generalized GNVW index, which reveals that certain dualities like Kramers-Wannier cannot be extended to the full operator algebra due to their irrational indices and nontrivial mixing with lattice translations.

Ruochen Ma, Yabo Li, Meng Cheng2026-05-28⚛️ hep-th

Effects of the ekpyrotic mechanism on inflationary phase in loop quantum cosmologies

This paper demonstrates that in both Loop Quantum Cosmology and its modified variant, a combined potential featuring an ekpyrotic component can effectively suppress shear during the bounce to resolve anisotropy issues, while subsequently allowing the inflationary component to dominate and produce a sufficiently long inflationary phase.

Christian Brown, Jared Fier, Brian Phillips, Gerald Cleaver, Anzhong Wang2026-05-28⚛️ gr-qc