Another look at the three-gluon vertex in the minimal Landau gaugeThe lattice three-gluon vertex in the Landau gauge is revisited using a large physical volume (8fm)4 and a large statistical ensemble. The improved calculation explores the symmetries…Guilherme T. R. Catumba, Orlando Oliveira, Paulo J. Silva·Nov 11, 2021SaveLearn
Nucleon Axial Form Factor from Domain Wall on HISQThe Deep Underground Neutrino Experiment (DUNE) is an upcoming neutrino oscillation experiment that is poised to answer key questions about the nature of neutrinos. Lattice QCD has the ability to…Aaron S. Meyer, Evan Berkowitz, Chris Bouchard et al.·Nov 11, 2021SaveLearn
Lee-Yang edge singularities in lattice QCD : A systematic study of singularities in the complex μB plane using rational approximationsA new approach is presented to explore the singularity structure of lattice QCD at imaginary chemical potential. Our method can be seen as a combination of the Taylor expansion and analytic…Simran Singh, Petros Dimopoulos, Lorenzo Dini et al.·Nov 11, 2021SaveLearn
Precision bottomonium properties and b quark mass from lattice QCDAs tests of QCD in the bottomonium system, we give the most accurate results to date for the ground-state hyperfine splitting and the leptonic width from full lattice QCD. These quantities…C. T. H. Davies, D. Hatton, J. Koponen et al.·Nov 11, 2021SaveLearn
Improved topological sampling for lattice gauge theoriesStandard sampling algorithms for lattice QCD suffer from topology freezing (or critical slowing down) when approaching the continuum limit, thus leading to poor sampling of the distinct topological…David Albandea, Pilar Hernández, Alberto Ramos et al.·Nov 10, 2021SaveLearn
Bs D(*)s form factors from lattice QCD with Nf=2 Wilson-clover quarksWe report on a two-flavour lattice QCD determination of the Bs Ds and Bs Ds* transitions, which in the heavy quark limit can be parameterised by the form factors G, and…Benoît Blossier, Pierre Henri Cahue, Jochen Heitger et al.·Nov 10, 2021SaveLearn
Supercurrent Renormalization in N=1 Supersymmetric Yang-Mills TheoryIn this work we study the renormalization of the SUSY Noether current in Supersymmetric N = 1 Yang-Mills (SYM) theory on the lattice. In particular, we study the mixing of the current…Georg Bergner, Marios Costa, Haralambos Panagopoulos et al.·Nov 10, 2021SaveLearn
Properties of the η and η mesons: Masses, decay constants and gluonic matrix elementsWe present results for the η and η masses and their four independent decay constants at the physical point as well as their anomalous gluonic matrix elements aη().…Gunnar S. Bali, Sara Collins, Jakob Simeth·Nov 10, 2021SaveLearn
Lee-Yang edge singularities in 2+1 flavor QCD with imaginary chemical potentialWe present results of the location of the closest singularities in the complex chemical potential plane using a novel method. These results are obtained with (2+1)-flavor of highly improved staggered…Guido Nicotra, Petros Dimopoulos, Lorenzo Dini et al.·Nov 10, 2021SaveLearn
Infinite volume, three-body scattering formalisms in the presence of bound statesStrong interactions produce a rich spectrum of resonances that decay into three or more hadrons. Understanding their phenomenology requires a theoretical framework to extract parameters…Sebastian M. Dawid·Nov 9, 2021SaveLearn
Machine learning approaches to the QCD transitionWe study the high temperature transition in pure SU(3) gauge theory and in full QCD with 3D-convolutional neural networks trained as parts of either unsupervised or semi-supervised learning…Andrea Palermo, Lucio Anderlini, Maria Paola Lombardo et al.·Nov 9, 2021SaveLearn
B- and D-meson semileptonic decays with highly improved staggered quarksWe present results for B(s)- and D(s)-meson semileptonic decays from ongoing calculations by the Fermilab Lattice and MILC Collaborations. Our calculation employs the highly improved…William I Jay, Andrew Lytle, Carleton DeTar et al.·Nov 9, 2021SaveLearn
Object-oriented implementation of algebraic multi-grid solver for lattice QCD on SIMD architectures and GPU clustersA portable implementation of elaborated algorithm is important to use variety of architectures in HPC applications. In this work we implement and benchmark an algebraic multi-grid solver for Lattice…Issaku Kanamori, Ken-Ichi Ishikawa, Hideo Matsufuru·Nov 9, 2021SaveLearn
Toward dense QCD in quantum computersLattice QCD at nonzero baryon density is a big challenge in hadron physics. In this presentation, I discuss the quantum computation of lattice gauge theory at nonzero density. I show some benchmark…Arata Yamamoto·Nov 9, 2021SaveLearn
Lattice Lindblad simulationWe perform the real-time lattice simulation of an open quantum system, which is based on the Schwinger-Keldysh path integral representation of the Lindblad formalism. Although the real-time…Tomoya Hayata, Yoshimasa Hidaka, Arata Yamamoto·Nov 9, 2021SaveLearn
Precision B*Bπ coupling from three-flavor lattice QCDWe consider three-flavor QCD and perform a determination of the low-energy coupling g of SU(2) Heavy Meson Chiral Perturbation Theory. It is the B*Bπ coupling in the limit of static…Antoine Gérardin, Jochen Heitger, Simon Kuberski et al.·Nov 8, 2021SaveLearn
Logarithmic corrections to a2 scaling in lattice QCD with Wilson and Ginsparg-Wilson quarksWe analyse the leading logarithmic corrections to the a2 scaling of lattice artefacts in QCD, following the seminal work of Balog, Niedermayer and Weisz in the O(n) non-linear sigma model.…Nikolai Husung, Peter Marquard, Rainer Sommer·Nov 8, 2021SaveLearn
π-π scattering, QED and finite-volume quantizationUsing the Coulomb gauge formulation of QED we present a lattice QCD procedure to calculate the π+π+ scattering phase shift including the effects of the Coulomb potential which appears in this…Norman Christ, Xu Feng, Joseph Karpie et al.·Nov 8, 2021SaveLearn
Complex spacing ratios of the non-Hermitian Dirac operator in universality classes AI and AII^We consider non-Hermitian Dirac operators in QCD-like theories coupled to a chiral U(1) potential or an imaginary chiral chemical potential. We show that in the continuum they fall into the recently…Takuya Kanazawa, Tilo Wettig·Nov 8, 2021SaveLearn
Overview of lattice calculations of the x-dependence of PDFs, GPDs and TMDsFor a long time, lattice QCD was unable to address the x-dependence of partonic distributions, direct access to which is impossible in Euclidean spacetime. Recent years have brought a breakthrough…Krzysztof Cichy·Nov 8, 2021SaveLearn
General purpose lattice QCD code set Bridge++ 2.0 for high performance computingBridge++ is a general-purpose code set for a numerical simulation of lattice QCD aiming at a readable, extensible, and portable code while keeping practically high performance. The previous version…Yutaro Akahoshi, Sinya Aoki, Tatsumi Aoyama et al.·Nov 8, 2021SaveLearn
Lattice gauge symmetry in neural networksWe review a novel neural network architecture called lattice gauge equivariant convolutional neural networks (L-CNNs), which can be applied to generic machine learning problems in lattice gauge…Matteo Favoni, Andreas Ipp, David I. Müller et al.·Nov 8, 2021SaveLearn
Looking at the analytic structure of Landau gauge propagatorsWe report on a study of the analytical structure of the Landau gauge gluon, ghost and quark propagators taken from lattice simulations using large physical volumes, to better access the IR region,…Orlando Oliveira, Alexandre F. Falcão, Paulo J. Silva·Nov 8, 2021SaveLearn
Quantum Field Theories with Tensor Renormalization GroupWe report recent progress on the application of the tensor renormalization group (TRG) to quantum field theories pursued by the Tsukuba group. We explain how to treat the scalar, fermion, and gauge…Shinichiro Akiyama, Yoshinobu Kuramashi, Yusuke Yoshimura·Nov 8, 2021SaveLearn
Investigating quark confinement from the viewpoint of lattice gauge-scalar modelsIn this talk, first, we show that the color N-dependent area law falloffs of the double-winding Wilson loop averages for the SU(N) lattice gauge model are reproduced from the ZN lattice…Ryu Ikeda, Kei-Ichi Kondo·Nov 7, 2021SaveLearn