Multi-particle states investigation with tensor renormalization group methodWe investigate multi-particle states of the (1+1)d Ising Model using a spectroscopy scheme based on transfer matrix and tensor renormalization group method. The scheme begins with computing the…Fathiyya Izzatun Az-zahra, Shinji Takeda, Takeshi Yamazaki·Jun 21, 2026SaveLearn
Lattice QCD study of color correlations between quarks in static multiquark systemsWe study the color correlation between two static quarks in 3Q (QQQ) and 4Q (QQ Q Q) multiquark systems at T=0 based on the reduced two-body density matrices ρ in color space. We…Toru T. Takahashi, Yoshiko Kanada-En'yo·Jun 21, 2026SaveLearn
Proton's isovector PDF with updated analysis of large-momentum lattice dataThe proton's unpolarized u(x)-d(x) parton distribution function (PDF) has been studied by a number of lattice QCD groups through large momentum expansion. However, due to lattice artifacts…Xiangdong Ji, Yushan Su·Jun 20, 2026SaveLearn
SU(2) gauge theory with fermions on a semi-simple cubic latticeA practical Hamiltonian approach to lattice gauge theories would provide access to several important areas of phenomenology that have been beyond the reach of conventional lattice methods. Quantum…Randy Lewis, Shidsa Pourbakhsh, Arnab Pradhan et al.·Jun 19, 2026SaveLearn
Event-Chain Monte Carlo for Yang-Mills SU(N) lattice field theory I : Design and proof of conceptWe develop two implementations of the Event-Chain Monte Carlo (ECMC) algorithm for Yang-Mills SU(N) lattice gauge theories with the Wilson action. These algorithms consist in a succession…Benoît Blossier, Manon Michel, Yacob Ozdalkiran·Jun 19, 2026SaveLearn
Confining Flux Tube in the Trace Deformed (2+1) Dimensional SU(2) Gauge TheoryWe study the confining flux tube in the reconfined phase of trace deformed SU(2) Yang-Mills theory in (2+1) dimensions. Using lattice simulations above the standard deconfinement temperature, we…Claudio Bonati, Michele Caselle, Alessio Negro et al.·Jun 18, 2026SaveLearn
Hamiltonian-based dimensional reduction and spectral reconstruction with Wilson-Dirac fermionsMotivated by the process of reconstructing real-time spectral functions from Euclidean correlators in lattice QCD, we derive explicit expressions for the fermionic determinant and the propagator of…P. V. Buividovich, B. Hind·Jun 18, 2026SaveLearn
A Finite-Volume Scheme for the Continuum Extrapolation of Lattice Step-Scaling in (2+1)D Hamiltonian U(1) Gauge TheoryWe propose a finite-volume scheme to perform controlled continuum extrapolations of the lattice step-scaling function, a key ingredient for determining the running coupling in a Hamiltonian lattice…Alessio Negro, Emil Otis Rosanowski, Lena Funcke et al.·Jun 18, 2026SaveLearn
Scalar diquark mass and quark--diquark potential from lattice QCD using the potential method with a static quarkWe study the scalar diquark mass and the quark--diquark potential by applying a HAL QCD-inspired potential method to a baryonic system composed of a scalar diquark and a static quark. The diquark…Kai-Wen Kelvin-Lee, Noriyoshi Ishii·Jun 18, 2026SaveLearn
Gauge field flow for chiral gauge theories on a slabThe proposal to formulate chiral gauge theories using domain wall fermions on 2n+1 dimensional Euclidean lattice with a slab geometry involves 2n dimensional dynamical gauge fields residing on…Jinlong Dang, Rohith Karur, Srimoyee Sen·Jun 18, 2026SaveLearn
Tensor renormalization group study of cold and dense QCD in the strong coupling limitWe study the phase structure of the (3+1)-dimensional cold and dense QCD with the Kogut--Susskind quark in the strong coupling limit using the tensor renormalization group method. The chiral and…Yuto Sugimoto, Shinichiro Akiyama, Yoshinobu Kuramashi·Jun 18, 2026SaveLearn
Kernel transformations and bounds for smeared spectral functionsThis work develops a framework for transforming between smeared spectral functions computed using different smearing kernels. The kernel-transformation problem naturally arises when information is…William I. Jay, Matteo Saccardi·Jun 17, 2026SaveLearn
The Collins-Soper kernel from a vacuum soft functionThe Collins-Soper kernel is calculated from a vacuum soft function using space-like Wilson lines with complex-directional vectors on the Euclidean lattice. Our pure gauge calculations with this…Anthony Francis, C. -J. David Lin, Wayne Morris et al.·Jun 17, 2026SaveLearn
Hybrid renormalization in lattice calculation of baryon LCDAsAt the 2025 International Conference on the Structure of Baryons (Baryons 2025), I presented our recent progress in lattice calculations of baryon light-cone distribution amplitudes (LCDAs). In…Mu-Hua Zhang·Jun 17, 2026SaveLearn
Precision renormalisation and improvement of N f=3 lattice QCD with Wilson fermionsWe renormalise (and improve) the flavour non-singlet axial current, pseudo-scalar density, vector current and tensor current, as well as quark masses, in O(a) improved lattice QCD with three massless…Patrick Fritzsch, Jochen Heitger, Simon Kuberski et al.·Jun 15, 2026SaveLearn
Direct calculation of parton distributions in momentum space from lattice QCDCoulomb-gauge quasi-parton distributions can be computed directly in momentum space on a finite lattice, enabled by the commutativity of their renormalization and Fourier transform. This approach…Anthony V. Grebe, Daniel C. Hackett, Michael L. Wagman et al.·Jun 15, 2026SaveLearn
High-Performance Simulations of Higher Representations of Wilson FermionsWe present HiRep v2, an open-source software suite for high-performance lattice field theory simulations with dynamical Wilson fermions in higher representations of SU(Ng) gauge groups. This new…Vincent Drach, Sofie Martins, Claudio Pica et al.·Jun 15, 2026SaveLearn
Learning the generating functional for variance reduction in lattice QCDThe generating functional in quantum field theory provides the natural framework for constructing correlation functions as derivatives with respect to source operators. We present a methodology that…Ryan Abbott, Yang Fu, Daniel C. Hackett et al.·Jun 14, 2026SaveLearn
Spatial String Tension at High Temperatures and Quantitative Tests of Dimensionally Reduced Effective TheoriesWe calculate the spatial string tension in 2+1 flavour QCD in (3+1) dimensions within a temperature range of [166\,MeV,\,1000\,MeV] using spatial Wilson loops with HYP…Vishal Rao, Peter Petreczky, Prasad Hegde·Jun 14, 2026SaveLearn
Resonant scattering in two-flavored Sp(4) lattice gauge theoriesWe apply Lüscher's method to the vector channel of the scattering amplitude of Pseudo-Nambu-Goldstone-Bosons (PNGBs), in the Sp(4) lattice gauge theory coupled to Nf=2 flavors of…Ed Bennett, Yannick Dengler, Deog Ki Hong et al.·Jun 12, 2026SaveLearn
Electric charge fluctuations from lattice QCD in the continuum limitElectric charge fluctuations χnQ allow comparisons between theory and experiment, but are elusive on the lattice due to severe cutoff effects. We use a 4HEX action to obtain χ2Q and, for the…Szabolcs Borsányi, Zoltán Fodor, Jana N. Guenther et al.·Jun 12, 2026SaveLearn
Finite-volume effects on smeared spectral densitiesUsing two distinct approaches, we derive a universal expression for the leading finite-volume effects of the smeared vector-vector spectral density (proportional to the smeared hadronic R-ratio) in…Francesca A. Bresciani, Mattia Bruno, Maxwell T. Hansen·Jun 12, 2026SaveLearn
Hadron spectra of finite-density QC2DWe investigate the chemical-potential dependence of hadron spectra in two-color QCD using first-principles lattice simulations. We compute two-point correlation functions for all allowed hadronic…Kei Iida, Etsuko Itou, Kotaro Murakami et al.·Jun 11, 2026SaveLearn
Stochastic Path Sampler For Lattice Field TheoryIn lattice field theory, target distributions are known only up to normalization, (π(ϕ) e-S(ϕ)), while the partition function is intractable. Markov chain Monte Carlo simulations…Shiyang Chen, Moxian Qian, Gert Aarts et al.·Jun 11, 2026SaveLearn
New results on gauge field decomposition in SU(3) gluodynamicsWe study decomposition of the nonabelian gauge field into the Abelian component created by Abelian monopoles and the modified nonabelian components with monopoles removed after fixing the Maximal…V. Bornyakov, V. Goy, I. Kudrov·Jun 11, 2026SaveLearn