Extracting Mellin moments of double parton distributions from lattice dataReconstructing Mellin moments of double parton distributions from calculations on a Euclidean lattice requires taking an integral over a variable that may be regarded as a Ioffe time. The Fourier…Markus Diehl, Oskar Grocholski, Daniel Reitinger et al.·May 18, 2026SaveLearn
Noise scheduling and linear dynamics in diffusion models on Lie groupsWe investigate the role of the noise schedule in diffusion processes on Lie groups, with particular emphasis on applications to lattice gauge theory. We show that a specific noise schedule leads to a…Javad Komijani·May 17, 2026SaveLearn
Dense QC2D2 with uniform matrix product statesWe study cold dense single-flavor SU(2) gauge theory in (1+1) dimensions in the thermodynamic limit using a gauge-invariant variational uniform matrix product state ansatz. This…Kohei Fujikura, Yoshimasa Hidaka·May 16, 2026SaveLearn
Domain wall fermionsWe introduce the formulation of domain wall fermions in the context of lattice QCD. We prove the recovery of exact chiral symmetry in the limit of an infinite fifth direction, and derive the…Thomas Blum, Yigal Shamir·May 16, 2026SaveLearn
Spectral reconstruction from Euclidean lattice correlators through singular value decompositionReconstructing spectral densities from Euclidean lattice correlators requires an inverse Laplace transform, which is inherently ill-conditioned when applied to numerical data with statistical…Ryutaro Tsuji, Shoji Hashimoto·May 15, 2026SaveLearn
Imprint of the adjoint meson spectrum in the decay patterns of hidden-bottom tetraquarksWe aim to clarify the experimentally observed near-degeneracy and decay patterns of the isospin, I=1, hidden-bottom tetraquarks Zb(10610) and Zb(10650) with quantum numbers JP=1+.We…Sipaz Sharma, Juan Andrés Urrea-Niño, Nora Brambilla et al.·May 15, 2026SaveLearn
Radiative decay of heavy-light mesons from lattice QCDWe present the first systematic study of the radiative decays of charmed mesons using 2+1-flavor clover fermion gauge ensembles generated by the CLQCD collaboration. One of the ensembles is at the…Wen-Zheng Hou, Nan Wang, Long-Cheng Gui et al.·May 15, 2026SaveLearn
Analyzing the two-dimensional doped Hubbard model with the Worldvolume HMC methodWe apply the Worldvolume Hybrid Monte Carlo (WV-HMC) method [arXiv:2012.08468] to the two-dimensional Hubbard model, which is known to suffer from a severe sign problem when the system is doped (away…Masafumi Fukuma, Yusuke Namekawa·May 14, 2026SaveLearn
Extraction of spectral densities from lattice correlators: decoupling signal from noiseWe expand the treatment of the problem of the extraction of smeared spectral densities from Euclidean correlators introduced in [Phys. Rev. D 99, 094508], providing an alternative which does not rely…Alessandro Lupo, Nazario Tantalo·May 14, 2026SaveLearn
Glue Condensate, Quark Condensate and Dirac Spectral DensityI derive the regularized formula for glue scalar density (gluon condensate) in terms of Dirac spectral density [arXiv:2509.03509], and elaborate on its uses and meaning. Particular attention is given…Ivan Horváth·May 14, 2026SaveLearn
Hybrid Renormalization for Baryon Distribution Amplitudes from Lattice QCD in LaMETIn our recent work [1] on lattice QCD calculation of the baryon leading-twist LCDAs within the framework of LaMET, a novel hybrid renormalization scheme is implemented for octet baryon quasi-DAs,…Mu-Hua Zhang·May 14, 2026SaveLearn
Spatial confinement-deconfinement transition in accelerated gluodynamics within lattice simulationIn this work we investigate the influence of weak acceleration on the confinement-deconfinement phase transition in gluodynamics. Our study is carried out within lattice simulation in the comoving…Victor V. Braguta, Vladimir A. Goy, Jayanta Dey et al.·May 14, 2026SaveLearn
Hadronic scattering in (1+1)D SU(2) lattice gauge theory from tensor networksWe present a first real-time study of hadronic scattering in a (1+1)-dimensional SU(2) lattice gauge theory with fundamental fermions using tensor-network techniques. Working in the gaugeless…João Barata, Juan Hormaza, Zhong-Bo Kang et al.·May 12, 2026SaveLearn
Operator Spectroscopy of Trained Lattice SamplersTrained lattice samplers are usually judged by the ensembles they generate. Here we instead analyze the trained field-space function itself: a flow-matching velocity, a diffusion score, or a…Moxian Qian·May 11, 2026SaveLearn
Lattice Quantization of Free Fermions without DoublersWe present a method to quantize free fermions which eliminates the doublers when implemented on the lattice in any number of dimensions and in the m=0 limit. The elimination of doublers is achieved…Mario A. Serna, Paul M. Alsing·May 9, 2026SaveLearn
Testing machine-learned distributions against Monte Carlo data for the QCD chiral phase transitionWe demonstrate that conditional Masked Autoregressive Flows constitute a flexible interpolation tool for lattice QCD observables, conditioned on bare lattice parameters. As a benchmark, we use the…Reinhold Kaiser, Frithjof Karsch, Jan Philipp Klinger et al.·May 8, 2026SaveLearn
FK/Fπ as a precision test of a new four flavor Domain Wall Fermion actionWe present a new set of lattice QCD ensembles with four flavors of smeared M\"obius Domain Wall Fermions with good chiral symmetry and small fifth-dimensional extent. A modest amount of computing…Renwick J. Hudspith, Nicolas Garron, Zack Hall et al.·May 7, 2026SaveLearn
The strange and flavor-singlet axial form factors of the nucleon from lattice QCDThe singlet axial form factor of the nucleon provides essential input for a complete understanding of the nucleon axial structure. Together with the isovector and isoscalar octet channels, in the…Alessandro Barone, Dalibor Djukanovic, Georg von Hippel et al.·May 7, 2026SaveLearn
Diffusion model for SU(N) gauge theoriesImplicit score matching provides a computationally efficient approach for training diffusion models and generating high-quality samples from complex distributions. In this work, we develop a…Javad Komijani, Marina K. Marinkovic, Lara Turgut·May 7, 2026SaveLearn
Chiral Magnetic Effect and Negative Magnetoresistance across the phase diagram of finite-density SU(2) gauge theoryWe study the signatures of the Chiral Magnetic Effect (CME) in SU(2) gauge theory with Nf = 2 flavours of dynamical fermions at finite temperature T, quark chemical potential μ and a weak…P. V. Buividovich, L. von Smekal, D. Smith·May 6, 2026SaveLearn
Third moments of nucleon unpolarized, polarized, and transversity parton distribution functions from physical-point lattice QCDUsing forward matrix elements of local leading-twist operators, we present a determination of the isovector third Mellin moments < x2 > of nucleon unpolarized, polarized, and…Emilio Taggi, Michael Engelhardt, Jeremy R. Green et al.·May 4, 2026SaveLearn
Nucleon strange electromagnetic form factors using Nf=2+1+1 twisted-mass fermions at the physical pointWe present the strange electromagnetic form factors of the nucleon using lattice QCD with Nf=2+1+1 twisted mass clover-improved fermions and quark masses tuned to their physical values. Using four…Constantia Alexandrou, Simone Bacchio, Mathis Bode et al.·May 3, 2026SaveLearn
Comparing RM123 and non-perturbative QCD+QED approaches to the HVP with C-periodic boundary conditionsIsospin-breaking corrections to the HVP are among the leading sources of uncertainty in the Standard Model prediction of the muon g-2. In recent work by the RC collaboration, we compute…Anian Altherr, Isabel Campos, Alessandro Cotellucci et al.·May 1, 2026SaveLearn
Variance reduction strategies for lattice QCDA significant component of the cost of making predictions from lattice QCD stems from the computation of correlation functions on a given ensemble of gauge fields. This cost depends on the observable…Tim Harris·May 1, 2026SaveLearn
Topological Susceptibility and QCD at Finite Theta AngleIn this chapter we provide a pedagogical introduction to the main theoretical aspects related to topology and θ-dependence in Quantum Chromo-Dynamics (QCD), and to their phenomenological…Claudio Bonanno, Claudio Bonati, Massimo D'Elia·Apr 30, 2026SaveLearn