Hep-Lat, short for High Energy Physics – Lattice, explores the fundamental forces of nature by simulating particle interactions on a digital grid. Instead of relying solely on abstract equations, researchers in this field use powerful computers to model how quarks and gluons bind together, offering deep insights into the structure of matter that are often impossible to derive analytically.

Gist.Science ensures these complex discoveries from arXiv remain accessible to everyone. We process every new preprint in this category as it is posted, providing both plain-language explanations for the curious and detailed technical summaries for experts. This dual approach bridges the gap between cutting-edge simulation work and broader scientific understanding.

Below are the latest papers in High Energy Physics – Lattice, curated directly from arXiv and ready for you to explore.

⚛️ lattice

Fractional anomalous determinants and the chiral phase transition

This paper proposes a "beyond Landau" syncretic model where the topological charge becomes fractional below the chiral phase transition, leading to fractional powers of the anomalous determinant in the effective Lagrangian and predicting a generically second-order chiral phase transition that can be tested via lattice QCD measurements of meson propagators and quark condensates.

Robert D. Pisarski2026-10-02✓ Author reviewed ⓘ
⚛️ lattice

Glueballs and fractional anomalous determinants at nonzero θ\theta, and the decays of the X(2370)

This paper presents a model using fractional anomalous determinants to describe trace and axial anomalies in SU(3)SU(3) gauge theory at nonzero θ\theta, successfully reproducing lattice results for vacuum energy and glueball masses while explaining the observed three-pseudoscalar decay channels of the X(2370)X(2370) candidate.

Francesco Giacosa, Shahriyar Jafarzade, Győző Kovács, Péter Kovács, Robert D. Pisarski, Fabian Rennecke2026-10-02✓ Author reviewed ⓘ
⚛️ lattice

Gravitational D-form factors of the nucleon and pion with mixing between two-quark and four-quark states

This paper investigates the gravitational DD-form factors of the nucleon and pion within an extended linear sigma model incorporating two- and four-quark mixing, finding that while this mixing suppresses the nucleon DD-form factor to match lattice-QCD results (mimicking effects of chiral invariant mass), it uniquely modifies the pion's momentum-transfer dependence, thereby suggesting that a combined analysis of both form factors is necessary to distinguish between these distinct physical mechanisms.

Mamiya Kawaguchi, Yao Ma, Yong-Liang Ma2026-10-02
⚛️ lattice

Drell-Yan lepton pair production from low to high transverse momentum

This paper presents a comprehensive technique for computing Drell-Yan lepton pair production across a wide transverse momentum range with unprecedented theoretical precision, incorporating non-perturbative lattice QCD inputs and utilizing a maximum entropy approach to generate strictly positive event weights.

Benoît Assi, Enrico Bothmann, John Campbell, Christian Gütschow, Stefan Höche, Wan-Li Ju, Max Knobbe, Marek Schönherr, J (…)2026-10-02
🔬 condensed matter

Observation of disorder-free localization using a (2+1)D lattice gauge theory on a quantum processor

This paper demonstrates the observation of disorder-free localization in a (2+1)D translationally-invariant lattice gauge theory on a quantum processor and proposes a novel algorithm that achieves a polynomial speedup in sampling disorder configurations by utilizing superposition states over gauge sectors.

Gaurav Gyawali, Shashwat Kumar, Yuri D. Lensky, Eliott Rosenberg, Aaron Szasz, Tyler Cochran, Renyi Chen, Amir H. Karaml (…)2026-09-30
⚛️ lattice

DDˉD\bar{D} interactions are weak near threshold in QCD

Using lattice QCD calculations in a charm-annihilation-forbidden approximation with varying light-quark masses, this study finds that near-threshold DDˉD\bar{D} interactions are weak and provides no evidence for bound states or resonances in the energy region between the χc0(1P)\chi_{c0}(1P) state and the DsDˉsD_s\bar{D}_s threshold.

David J. Wilson, Jozef J. Dudek, Robert G. Edwards, Christopher E. Thomas2026-09-30