Lattice Field Theory Analysis of the Chiral Heisenberg ModelMotivated by ongoing interest in the universal behaviour of the Hubbard model of spinning electrons on honeycomb and π-flux lattices at the semi-metal -- Mott insulator phase transition, we…Simon Hands, Johann Ostmeyer·Jul 10, 2026SaveLearn
Higher order quantization conditions for two-body scattering with spinWe examine the Lüscher quantization condition to high order for the scattering of a spinless particle and a spin-1/2 particle in a periodic box. First, we derive the quantization conditions in a…Lucas Chandler, Frank X. Lee, Andrei Alexandru·Jul 10, 2026SaveLearn
Diffusion Models for Sampling Near Criticality in Lattice Field TheoriesWe investigate generative diffusion models as denoising samplers for two- and three-dimensional lattice ϕ4 theory across the symmetric, near-critical, and broken phases. Validated against…Yang-yang Tan, Gert Aarts, Diaa E. Habibi et al.·Jul 9, 2026SaveLearn
Taste-splitting mass and edge modes in 3+1 D staggered fermionsWe investigate the symmetry structure of the 3+1 D staggered fermion Hamiltonian and its implications for anomalies. Since the spin and flavor degrees of freedom of Dirac fermions are distributed…Tatsuhiro Misumi, Tetsuya Onogi, Tatsuya Yamaoka·Jul 9, 2026SaveLearn
Proton isovector helicity PDF at NNLO and the twist-3 moment d2 from lattice QCD at physical quark massesWe present a lattice quantum chromodynamics calculation of the x-dependent isovector quark helicity parton distribution function (PDF) of the proton in the large momentum effective theory (LaMET)…Xiang Gao, Andrew D. Hanlon, Swagato Mukherjee et al.·Jul 9, 2026SaveLearn
Dilaton Effective Field Theory across the Conformal EdgeDilaton effective field theory (dEFT) can be employed to analyze lattice data in gauge theories that lie in close proximity of the lower edge of the conformal window. Under special conditions, we…Thomas Appelquist, James Ingoldby, Maurizio Piai·Jul 9, 2026SaveLearn
The large-N Yang--Mills Λ-parameter from step scalingWe use the step-scaling method and results obtained at N = 3, 5 and 8 to determine the N-dependence of the dynamically generated scale Λ of SU(N) Yang--Mills theories. We implement…Claudio Bonanno, Jorge Luis Dasilva Golán, Margarita García Pérez et al.·Jul 8, 2026SaveLearn
Hints for string breaking in QCDWe present results for the chromo-electric field generated by a static quark-antiquark pair at nearly zero temperature in lattice QCD with 2+1 dynamical staggered fermions at physical quark masses.…P. Cea, V. Chelnokov, L. Cosmai et al.·Jul 8, 2026SaveLearn
Weight-Space Physics: Interpretable Hypernetworks for Lattice Quantum Field TheoriesLattice field theory is the workhorse of non-perturbative physics, used to simulate phenomena from the strong nuclear force to critical phenomena in materials. Its Boltzmann distributions are…Tobias Göbel, Julian R. Ebelt, Zier Mensch et al.·Jul 8, 2026SaveLearn
First-Principles Determination of the Proton-Proton Fusion Matrix Element from Lattice QCDProton-proton fusion is the fundamental weak reaction initiating stellar energy production, and a first-principles determination of its matrix element remains a long-standing goal of nuclear theory.…Zi-Yu Wang, Xu Feng, Bo-Hao Jian et al.·Jul 7, 2026SaveLearn
Lattice studies of entanglement entropy in O(N) models at finite densitiesAs a characteristic property of all quantum systems, entanglement participates in many important quantum phenomena. In this proceeding, we employ it in the study of quantum field theories at finite…Aatu Rajala, Niko Jokela, Tobias Rindlisbacher·Jul 7, 2026SaveLearn
Unbiased Krylov subspace method for the extraction of ground state from lattice correlatorsGround-state energy and matrix element are reconstructed from correlators in lattice QCD by diagonalizing transfer matrix T within the Krylov subspace spanned by Tn|χ, where…Ryutaro Tsuji, Shoji Hashimoto, Ryan Kellermann·Jul 7, 2026SaveLearn
Comment on "Chiral symmetry restoration, the eigenvalue density of the Dirac operator, and the axial U(1) anomaly at finite temperature"Aoki, Fukaya, and Taniguchi claim that both the spectral density of the Dirac operator at the origin and the topological susceptibility must vanish identically for sufficiently small but nonzero…Matteo Giordano·Jul 7, 2026SaveLearn
Variance reduction with probing and Multilevel Monte Carlo in Lattice QCDTrace estimation is central in many lattice QCD computations, but the accuracy of the standard, stochastic Hutchinson method improves only with the square root of the sample size, making precise…Andreas Frommer, Jose Jimenez-Merchan, Bruno Lang et al.·Jul 6, 2026SaveLearn
BMW/DMZ calculation of the hadronic vacuum polarisation for the muon magnetic momentFor twenty years, a persistent discrepancy between experimental measurements and theoretical calculations of the muon anomalous magnetic moment have provided tantalising hints of new physics. In…Finn M. Stokes, Alessandro Cotellucci, Michel Davier et al.·Jul 6, 2026SaveLearn
Scaling and Luescher Term in a non-Abelian (2+1)d SU(2) Quantum Link ModelWe investigate a non-Abelian SU(2) quantum link model in 2+1 dimensions on a hexagonal lattice using tensor network methods. We determine the static quark potential for a wide range of bare…Paul Ludwig, Timo Jakobs, Carsten Urbach·Jul 6, 2026SaveLearn
Rotationally invariant dynamical lattice regulators for Euclidean quantum field theoriesWe introduce a dynamical lattice regulator for Euclidean quantum field theories on a fixed hypercubic graph Λd, in which the embedding x:Λd is promoted to a…Tsogtgerel Gantumur·Jul 5, 2026SaveLearn
The nucleon unpolarized generalized form factors and Mellin moments up to fourth orderNucleon Mellin moments of parton distribution are computed up to the fourth order in lattice QCD. The computation is performed using one ensemble of twisted mass fermions at the physical pion mass…Constantia Alexandrou, Simone Bacchio, Martha Constantinou et al.·Jul 3, 2026SaveLearn
The running of the electroweak gauge couplings from first principlesWe present a high-precision calculation of the hadronic running of electroweak gauge couplings from first principles. Employing lattice QCD in the low-energy regime, we achieve permille precision for…Alessandro Conigli, Dalibor Djukanovic, Georg von Hippel et al.·Jul 3, 2026SaveLearn
Operator Learning in Lattice QCD: Spectral ReconstructionIn this work, we propose a novel supervised machine-learning-based strategy for extracting smeared spectral functions from Euclidean correlation functions. The strategy revisits the numerically…Alessandro De Santis·Jul 3, 2026SaveLearn
Staggered fermions with taste splitting mass term on dynamical configurationsWe present numerical results of staggered fermions with a taste splitting mass term on dynamical configurations. The rise of gluonic counterterms from rotational symmetry breaking is studied for a…Gianluca Fuwa, Nuha Georgiev-Chreim, Christian Hoelbling·Jul 3, 2026SaveLearn
Digital Quantum Simulation of Nonequilibrium Dynamics in the Schwinger Model under a Strong External Electric FieldWe use the (1+1)-dimensional Schwinger model to investigate the nonequilibrium dynamics of a finite lattice system under a constant external electric field. The lattice Hamiltonian is constructed…Haobin Chen, Lin Cheng, Xingyu Guo·Jul 3, 2026SaveLearn
Momentum Dependence of Heavy Quark Diffusion in a Thermal Gluonic Plasma on the LatticeWe study the dynamics of a heavy quark in a thermal plasma consisting of non-perturbatively interacting soft momentum gluons at high temperatures, described in terms of an effective theory of QCD.…Harshit Pandey, Sayantan Sharma·Jul 2, 2026SaveLearn
(2+1)D quantum electrodynamics at finite density on a quantum computerIn this paper, we explore (2+1)D quantum electrodynamics (QED) at finite density on a quantum computer, including two fermion flavors. Our method employs an efficient gauge-invariant ansatz together…Emil Otis Rosanowski, Arianna Crippa, Lena Funcke et al.·Jul 2, 2026SaveLearn
Inclusive Bs X sc ν decays from lattice QCD: computational strategy and a first physical resultWe present a strategy to compute the inclusive decay rate for the process Bs X sc ν from first principles in lattice QCD. The physical decay rate is obtained from the…Alessandro De Santis, Antonio Evangelista, Gael Finauri et al.·Jul 1, 2026SaveLearn