545 papers
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.
This chapter introduces Quantum Chromodynamics at finite temperature and density by presenting the Euclidean path integral formulation, exploring thermal effective field theories, discussing the Equation of State as a key thermodynamic quantity, and concluding with an overview of the phase diagram for strongly interacting matter.
This paper demonstrates that two complementary models of nucleon structure yield consistent predictions for light-front transverse charge and magnetisation densities, revealing distinct flavour-dependent quark radii, the dominant magnetic activity of valence quarks due to orbital angular momentum, and a characteristic transverse charge displacement in polarised nucleons.
Using ab initio nuclear lattice effective field theory with Bayesian uncertainty quantification, this study reveals that the ground states of H and H are characterized by valence neutrons forming compact dineutron pairs that predominantly organize into symmetric dineutron-dineutron configurations, thereby providing crucial structural insights into multi-neutron correlations and the nature of four-neutron clusters.
This paper derives and validates high-order Lüscher quantization conditions for spinless and spin-1/2 particle scattering in both cubic and elongated periodic boxes, providing a robust framework for precision finite-volume studies of systems with half-integer spin, such as meson-baryon scattering.
This paper employs renormalizable two- and three-flavor quark-meson-diquark models to analyze color superconductivity and pion condensation in dense quark matter, demonstrating that BCS gaps approach a constant and the speed of sound converges to the conformal limit at high chemical potentials while correctly accounting for global symmetry breaking and Goldstone boson counting.
Using fermion-bag Monte Carlo simulations, this study demonstrates that introducing a small nonzero four-fermion coupling () to a lattice fermion model qualitatively alters its phase diagram by splitting a single exotic symmetric mass generation transition into two distinct conventional transitions (Gross-Neveu and 3D XY) separated by an intermediate spontaneous symmetry breaking phase.
By combining advanced quantum Monte Carlo simulations with a novel loop estimator for Rényi entanglement entropy, this study demonstrates that an SU() generalization of the Heisenberg antiferromagnet in 1+1 dimensions exhibits weak first-order pseudocriticality driven by proximity to a complex conformal field theory, a finding that accurately recovers the real part of the complex central charge for and reinterprets the dimerized phase of the spin-1 chain as pseudocritical.
This paper demonstrates that Krylov state complexity serves as a sensitive probe of confinement in the transverse-field Ising model with a longitudinal field, revealing that confinement suppresses complexity growth and induces meson-mass-frequency oscillations, while the absence of confinement or critical transitions leads to enhanced complexity dynamics.
This paper details the computational strategy, simulations, and data analysis used to achieve a non-perturbative determination of the QCD Equation of State for three massless flavors at temperatures up to 165 GeV with approximately 1% accuracy, utilizing lines of constant physics and shifted boundary conditions to demonstrate the continued relevance of non-perturbative contributions even at the electroweak scale.
This paper presents a precise, model-independent dispersive determination of resonance pole parameters for various mesons up to 2.02 GeV by analytically continuing forward dispersion relations and global fits to scattering data, confirming established resonances below 1.7 GeV while identifying additional poles above this threshold and illustrating that resonances do not always trace full circles in Argand diagrams.