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

Tensor renormalization group study of cold and dense QCD in the strong coupling limit

Using the tensor renormalization group method, this study investigates the phase structure of (3+1)-dimensional cold and dense QCD in the strong coupling limit, determining consistent critical quark masses where first-order chiral and nuclear transitions terminate and confirming these findings against dual formulation Monte Carlo simulations and mean-field analysis.

Yuto Sugimoto, Shinichiro Akiyama, Yoshinobu Kuramashi2026-06-19
⚛️ lattice

Extraction of charmonium branching fractions from J/ψγηcJ/\psi\to\gamma\eta_c radiative decays

This paper proposes a theoretically grounded method for extracting charmonium branching fractions from J/ψγηcJ/\psi\to\gamma\eta_c radiative decays that resolves tensions between experimental data and theoretical predictions by eliminating the need for empirical damping functions in photon line shape analysis.

Magnus C. Schaaf, Antonio Vairo2026-06-19
⚛️ lattice

Ground state preparation of random all-to-all Hamiltonians using ADAPT-VQE

This paper demonstrates that the TETRIS-ADAPT-VQE algorithm can achieve high-fidelity ground state preparation for random all-to-all Hamiltonians like the SK and SYK models, though it remains efficient only for the SK model while failing to scale efficiently for dense or moderately sparse SYK models.

Sabhyata Gupta, Bharath Sambasivam, Sophia E. Economou, Edwin Barnes, Alexander F. Kemper, Raghav G. Jha2026-06-18
⚛️ lattice

Precision renormalisation and improvement of Nf=3N_{\rm f}=3 lattice QCD with Wilson fermions

This paper presents a high-precision renormalisation and improvement of various currents and quark masses in Nf=3N_{\rm f}=3 O(aa) improved lattice QCD with Wilson fermions, achieving four to five significant digits for key constants like ZAZ_{\rm A} and ZVZ_{\rm V} through Schrödinger functional simulations at small lattice spacings, thereby enabling robust first-principles strategies for multi-scale problems such as B-physics and high-temperature QCD.

Patrick Fritzsch, Jochen Heitger, Simon Kuberski, Hubert Simma, Rainer Sommer2026-06-17
⚛️ lattice

Chiral Lattice Gauge Theories from Symmetry Disentanglers

This paper proposes a Hamiltonian framework using symmetry disentanglers to construct fully local, nonperturbative lattice formulations of chiral gauge theories by transforming not-on-site symmetries into on-site ones, enabling the exact realization of models like the (1+1)-dimensional "3450" theory and offering a pathway to formulate the Standard Model's hypercharge symmetry.

Ryan Thorngren, John Preskill, Lukasz Fidkowski2026-06-16
⚛️ lattice

Why fluctuations of conserved charges in the confining regime above TchT_{ch} behave as if the quarks were free?

This paper resolves the apparent contradiction between free-quark-like fluctuations of conserved charges and confined mesonic correlators above the chiral crossover by demonstrating that while mesonic propagation remains string-bound, conserved quark number densities effectively bypass confinement through quark interchanges between overlapping color-singlet clusters, a phenomenon analogous to quark-hadron duality.

L. Ya. Glozman2026-06-16