Isospin-breaking effects in inclusive hadronic τ data for the muon (g-2) from first principlesThe knowledge of isospin-breaking effects in hadronic τ decays is required for a high-precision determination of the Hadronic-Vacuum-Polarization contribution to (g-2)μ from experimental τ…Mattia Bruno, Taku Izubuchi, Christoph Lehner et al.·Jul 1, 2026SaveLearn
Gradient Flow Renormalization Schemes for Composite Fermion OperatorsWe introduce gradient flow (GF) normalization prescriptions for fermionic composite operators in which the flowed fermion wavefunction renormalization factor is fixed nonperturbatively using either…Matthew Black, Anna Hasenfratz, Oliver Witzel·Jul 1, 2026SaveLearn
Neural Wavefunctions in Quantum Field Theory I: Asymptotic FreedomWe present a variational approach to quantum field theory based on wavefunctions parameterized by neural networks. While variational methods have a celebrated history across many fields, their…Paulo F. Bedaque, Hersh Kumar, Suryansh Rajawat et al.·Jul 1, 2026SaveLearn
Zeros of the partition function for 12 flavor QCDWe consider a four dimensional SU(3) lattice gauge theory with 12 staggered fermions having identical masses and an unimproved action. Using sets of plaquette distributions for various inverse bare…Anas Saleh, Michael Hite, Diego Floor et al.·Jul 1, 2026SaveLearn
Monte Carlo reconstruction of symmetry-twisted partition function ratios: the critical 3D IsingWe introduce a Monte Carlo strategy for directly estimating partition function ratios between distinct global sectors of a lattice theory. It enlarges the configuration space to sample an…José Matos·Jun 30, 2026SaveLearn
Exact SL(2,Z)-Structure of Lattice Maxwell Theory with θ-term in Modified Villain FormulationWe study the duality of lattice Maxwell theory in the modified Villain formulation, employing an ultra-local action with a theta term. Although this action is known to become non ultra-local through…Shoto Aoki, Yoshio Kikukawa, Toshinari Takemoto·Jun 30, 2026SaveLearn
Algorithmic Aspects of Gauged Gaussian Fermionic PEPS: Gauge Fixing and Translation InvarianceLattice gauge theories (LGTs) provide a powerful framework for studying non-perturbative phenomena in gauge theories. However, conventional approaches such as Monte Carlo (MC) simulations in…Itay Gomelski, Jonathan Elyovich, Ariel Kelman et al.·Jun 30, 2026SaveLearn
Proton and neutron electromagnetic form factors from lattice QCD in the continuum limitWe compute the electromagnetic form factors of the proton and neutron using lattice QCD. We employ Nf=2+1+1 twisted mass clover-improved fermions with quark masses tuned to their physical…Constantia Alexandrou, Simone Bacchio, Giannis Koutsou et al.·Jun 30, 2026SaveLearn
Isospin-Driven Splitting of Chemical Potentials in Isobar Collisions from Lattice QCDStrong magnetic fields produced in relativistic heavy-ion collisions can modify fluctuations of conserved charges and, consequently, their associated chemical potentials. We present first-principles…Heng-Tong Ding, Jin-Biao Gu, Arpith Kumar et al.·Jun 29, 2026SaveLearn
The topological susceptibility slope χ in the large-N limitThis paper presents the first non-perturbative lattice determination of the Yang--Mills topological susceptibility slope χ in the large-N limit. This quantity represents the…Claudio Bonanno·Jun 29, 2026SaveLearn
Impact of Dynamical Charm Quark and Mixed Action Effect on Light Hadron Masses and Decay ConstantsWe investigate the impact of including a dynamical charm quark on the properties of light hadrons. Our study compares the calculations performed on 2+1+1 flavor (HISQ fermion) ensembles at four…Tong-Wei Lin, Zun-Xian Zhang, Mengchu Cai et al.·Jun 28, 2026SaveLearn
Highly improved staggered quarks on anisotropic latticesWe present a study of tuning of the anisotropic highly improved staggered quark (aHISQ) action on pure gauge ensembles with the renormalized anisotropy ranging from 1 to 8. We discuss multiple…Alexei Bazavov, Yannis Trimis, Johannes Heinrich Weber·Jun 26, 2026SaveLearn
Spectral densities from Euclidean correlators via integral transforms: theoretical frameworkSpectral densities link experimental measurements to dynamical properties of a quantum field theory which, in turn, can be resolved non-perturbatively from the Euclidean time-dependence of…Leonardo Giusti, Matteo Saccardi, Diego Toniolo·Jun 26, 2026SaveLearn
Mellin Moments of Pion and Kaon Unpolarized PDFs from Nonlocal Operators in Lattice QCDWe present a first-principles lattice-QCD determination of Mellin moments of the unpolarized pion and kaon parton distribution functions using matrix elements of boosted mesons coupled to nonlocal…Joshua Miller, Joseph Torsiello, Krzysztof Cichy et al.·Jun 26, 2026SaveLearn
The QCD phase diagram for three-flavor Möbius domain-wall fermionsWe investigate the phase transition of Quantum Chromodynamics (QCD) with three degenerate quark flavors at zero baryon chemical potential. Using Möbius domain-wall fermions as the lattice fermion…Yu Zhang, Yasumichi Aoki, Jishnu Goswami et al.·Jun 26, 2026SaveLearn
The QCD energy-momentum tensor on the lattice: non-perturbative renormalization with Nf=3We construct the traceless components of the energy-momentum tensor on the lattice for QCD with Nf=3 flavours, such that their correlation functions satisfy the appropriate Ward identities in the…Matteo Bresciani, Mattia Dalla Brida, Leonardo Giusti et al.·Jun 26, 2026SaveLearn
Diagonal Kenney-Laub Rational Approximation to the Overlap Operator using Wilson and Brillouin KernelWe propose a formulation of the overlap Dirac operator in lattice QCD that employs diagonal Kenney-Laub (KL) iterates to approximate the matrix sign function. KL iterates require no prior spectral…Stephan Durr, Stylianos Gregoriou, Giannis Koutsou·Jun 26, 2026SaveLearn
Sampling the Schwinger Model with Gauge-Equivariant DiffusionWe present a first study of a diffusion-based approach to accelerated sampling of the Nf = 2 lattice Schwinger model. Our work is inspired by recent and growing successes in developing such…Octavio Vega, Aida X. El-Khadra·Jun 25, 2026SaveLearn
Performance of Low Mode Averaging on Twisted-Mass Fermion Ensembles at the physical pion mass pointWe study the performance of low-mode averaging (LMA) on twisted-mass fermion ensembles at near-physical quark masses, assessing both its theoretical framework and practical cost-effectiveness in…Constantia Alexandrou, Simone Bacchio, Antonio Evangelista et al.·Jun 25, 2026SaveLearn
Emergence of the π(1300) Resonance from Lattice QCDThe mass of the lightest hadron in nature, the pion, is one seventh of that of the nucleon and one tenth of the mass of its first excited state, the π(1300). This enormous energy difference opens…Haobo Yan, Maxim Mai, Marco Garofalo et al.·Jun 25, 2026SaveLearn
Isospin breaking corrections to a lattice QCD calculation of 'Because of the ΔI = 1/2 rule, the effects of electromagnetism and the isospin-breaking light quark mass difference on the direct CP violation parameter ' may be as large as 25\%…Norman H. Christ, Erik Lundstrum·Jun 24, 2026SaveLearn
Lattice fermion formulation via Physics-Informed Neural Networks: Ginsparg-Wilson relation and Overlap fermionsWe propose a novel, machine-learning-based framework for constructing lattice fermions using Physics-Informed Neural Networks (PINNs). Our approach treats the formulation of the Dirac operator as an…Tatsuhiro Misumi·Jun 24, 2026SaveLearn
Numerical Hints for Dyon Condensation at θ=2π via Wilson-'t Hooft Loops in SU(2) Yang-Mills TheoryYang-Mills theories at θ and θ+2π are unitarily equivalent, but their 2π periodicity has a nontrivial realization. Recent developments in generalized global symmetries show that confinement…Hiromasa Watanabe, Issaku Kanamori, Okuto Morikawa et al.·Jun 23, 2026SaveLearn
Gauge field flow for chiral gauge theories on a disk boundaryA recent non-perturbative formulation of 2n dimensional chiral gauge theories relies on realizing chiral fermions on the 2n dimensional boundary of a 2n+1 dimensional disk manifold. It also…Jinlong Dang, Rohith Karur, Srimoyee Sen·Jun 22, 2026SaveLearn
Kinematic enhancement for nucleon interpolatorsThe reliable treatment of highly boosted hadrons is crucial for many lattice QCD applications. For all these cases the kinematically enhanced interpolators promise very significant improvements and…Daniel Reitinger, Tobias Sizmann, Andreas Schäfer et al.·Jun 22, 2026SaveLearn