Multigrid low-mode averagingWe develop a generalization of low-mode averaging in which the number of low quark modes of the Dirac operator required for a constant variance reduction can be kept independent of the volume by…Roman Gruber, Tim Harris, Marina Krstic Marinkovic·Dec 9, 2024SaveLearn
The Roberge-Weiss endpoint in (2+1)-flavor QCD with background magnetic fieldsIn this work we discuss our preliminary results regarding the so-called Roberge-Weiss (RW) transition, which is found for imaginary values of the baryon chemical potential, in the presence of a…Kevin Zambello, Massimo D'Elia, Lorenzo Maio et al.·Dec 9, 2024SaveLearn
Update of kaon semileptonic form factor using Nf=2+1 PACS10 configurationsWe calculate the form factors for the kaon semileptonic decay process using the PACS10 configurations, whose physical volume is more than (10 fm)4 very close to the physical point. The…Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka et al.·Dec 8, 2024SaveLearn
A simple non-parametric reconstruction of parton distributions from limited Fourier informationSome calculations of parton distributions from first principles only give access to a limited range of Fourier modes of the function to reconstruct. We present a physically motivated procedure to…Hervé Dutrieux, Joseph Karpie, Kostas Orginos et al.·Dec 6, 2024SaveLearn
Implementing the RFT finite-volume formalism for three pions across all non-maximal isospinsWe present a numerical investigation of the relativistic-field-theoretic (RFT) formalism, used to predict the discrete energy spectrum of three pions in a finite volume. Applying the previously…Athari Alotaibi, Maxwell T. Hansen·Dec 6, 2024SaveLearn
Block Lanczos algorithm for lattice QCD spectroscopy and matrix elementsRecent work introduced a new framework for analyzing correlation functions with improved convergence and signal-to-noise properties, as well as rigorous quantification of excited-state effects, based…Daniel C. Hackett, Michael L. Wagman·Dec 5, 2024SaveLearn
Numerical study of the dimensionally reduced 3D Ising modelWe study the 3D Ising model in the infinite volume limit Nx,y,z∞ by means of numerical simulations. We determine Tc as well as the critical exponents β,γ and , based…Tolga Kiel, Stephan Durr·Dec 5, 2024SaveLearn
Winding number on 3D latticeWe propose a simple numerical method which computes an approximate value of the winding number of a mapping from 3D torus~T3 to the unitary group~U(N), when T3 is approximated by discrete…Okuto Morikawa, Hiroshi Suzuki·Dec 5, 2024SaveLearn
Gauge fields induced by curved spacetimeI found an extended duality (triality) between Dirac fermions in periodic spacetime metrics, nonrelativistic fermions in gauge fields (e.g., Harper-Hofstadter model), and in periodic scalar fields on…Pasquale Marra·Dec 4, 2024SaveLearn
Critical behavior of the Schwinger model via gauge-invariant VUMPSWe study the lattice Schwinger model by combining the variational uniform matrix product state (VUMPS) algorithm with a gauge-invariant matrix product ansatz that locally enforces the Gauss law…Hirotsugu Fujii, Kohei Fujikura, Yoshio Kikukawa et al.·Dec 4, 2024SaveLearn
Tensor renormalization group study of (1+1)-dimensional O(3) nonlinear sigma model with and without finite chemical potentialWe study (1+1)-dimensional O(3) nonlinear sigma model using the tensor renormalization group method with the infinite limit of the bond dimension D cut→ ∞. At the vanishing…Xiao Luo, Yoshinobu Kuramashi·Dec 4, 2024SaveLearn
Taming NSPT fluctuations in O(N) Non-Linear Sigma Model: simulations in the large N regimeThe Non-Linear Sigma Model (NLSM) is an example of a field theory on a target space exhibiting intricate geometry. One remarkable characteristic of the NLSM is asymptotic freedom, which triggers…Paolo Baglioni, Francesco Di Renzo·Dec 3, 2024SaveLearn
Constraints on the Dirac spectrum from chiral symmetry restoration and the fate of U(1)A symmetryI discuss chiral symmetry restoration in the chiral limit m 0 of QCD with two light quark flavours of mass m, focussing on its consequences for scalar and pseudoscalar susceptibilities, and on…Matteo Giordano·Dec 3, 2024SaveLearn
Lefschetz thimble-inspired weight regularizations for complex Langevin simulationsComplex Langevin (CL) is a computational method to circumvent the numerical sign problem with applications in finite-density quantum chromodynamics and the real-time dynamics of quantum field…Kirill Boguslavski, Paul Hotzy, David I. Müller·Dec 3, 2024SaveLearn
The mass of the gluino-glue bound state in large-N N=1 Supersymmetric Yang-Mills theoryWe provide a first-principles non-perturbative determination of the mass of the lightest gluino-gluon bound state (gluino-glue) in large-N N=1 Supersymmetric Yang--Mills theory by means…Claudio Bonanno, Margarita García Pérez, Antonio González-Arroyo et al.·Dec 3, 2024SaveLearn
Diffusion models learn distributions generated by complex Langevin dynamicsThe probability distribution effectively sampled by a complex Langevin process for theories with a sign problem is not known a priori and notoriously hard to understand. Diffusion models, a class of…Diaa E. Habibi, Gert Aarts, Lingxiao Wang et al.·Dec 2, 2024SaveLearn
Estimating energy levels from lattice QCD correlation functions using a transfer matrix formalismWe present an efficient method for extracting energy levels from lattice QCD correlation functions by computing the eigenvalues of the transfer matrix associated with the lattice QCD Hamiltonian.…Debsubhra Chakraborty, Dhruv Sood, Archana Radhakrishnan et al.·Dec 2, 2024SaveLearn
Probing higher moments of pion parton distribution functionsWe present the first numerical investigation of the method proposed in Ref. [1] to utilize gradient flow to obtain precise determinations of higher moments of PDFs from lattice QCD, circumventing…Anthony Francis, Patrick Fritzsch, Rohith Karur et al.·Dec 2, 2024SaveLearn
Gauging a superposition of fermionic Gaussian projected entangled pair states to get lattice gauge theory eigenstatesGauged fermionic projected entangled pair states (GFPEPS) and their Gaussian counterpart (GGFPEPS) are a novel type of lattice gauge theory Ansatz state that combine ideas from the Monte Carlo and…Gertian Roose, Erez Zohar·Dec 2, 2024SaveLearn
Nucleon charges and σ-terms in lattice QCDWe determine the nucleon axial, scalar and tensor charges and the nucleon σ-terms using twisted mass fermions. We employ three ensembles with approximately equal physical volume of about…C. Alexandrou, S. Bacchio, J. Finkenrath et al.·Dec 2, 2024SaveLearn
Meson spectroscopy in the Sp(4) gauge theory with three antisymmetric fermionsWe report the results of an extensive numerical study of the Sp(4) lattice gauge theory with three (Dirac) flavors of fermion in the two-index antisymmetric representation. In the presence of…Ed Bennett, Deog Ki Hong, Ho Hsiao et al.·Dec 2, 2024SaveLearn
Toward extracting scattering phase shift from integrated correlation functions III: coupled-channelsThe formalism developed in Refs.Guo:2023ecc,Guo:2024zal that connects integrated correlation function of a trapped two-particle system to infinite volume scattering phase shift is further…Peng Guo, Frank X. Lee·Dec 1, 2024SaveLearn
Finite-temperature critical point of heavy-quark QCD on large latticesWe study the finite-temperature critical point of QCD in the heavy-quark region by a scaling study of the Binder cumulant on large lattices. Extending our previous study at Nt=4, we perform…Kazuyuki Kanaya, Ryo Ashikawa, Shinji Ejiri et al.·Nov 30, 2024SaveLearn
Scaling of Stochastic Normalizing Flows in SU(3) lattice gauge theoryNon-equilibrium Markov Chain Monte Carlo (NE-MCMC) simulations provide a well-understood framework based on Jarzynski's equality to sample from a target probability distribution. By driving a base…Andrea Bulgarelli, Elia Cellini, Alessandro Nada·Nov 29, 2024SaveLearn
Centre vortex evidence for a second finite-temperature QCD transitionEvidence for the existence of a second finite-temperature transition in quantum chromodynamics (QCD) is obtained through the study of centre vortex geometry and its evolution with temperature. The…Jackson A. Mickley, Chris Allton, Ryan Bignell et al.·Nov 29, 2024SaveLearn