The anomalous magnetic moment of the muon: status of Lattice QCD calculationsIn recent years, the anomalous magnetic moment of the muon has triggered a lot of activity in the lattice QCD community because a persistent tension of about 3.5~σ is observed between the…Antoine Gérardin·Dec 7, 2020SaveLearn
Clear correlation between monopoles and the chiral condensate in SU(3) QCDWe study spontaneous chiral-symmetry breaking in SU(3) QCD in terms of the dual superconductor picture for quark confinement in the maximally Abelian (MA) gauge, using lattice QCD Monte Carlo…Hiroki Ohata, Hideo Suganuma·Dec 7, 2020SaveLearn
Infinite-range correlations in 1D systems with continuous symmetryO(N)-symmetric lattice scalar fields are considered, coupled to a chemical potential and source terms. At the example of N=2, it is shown that such systems can even in (0+1) dimensions produce…Tobias Rindlisbacher·Dec 6, 2020SaveLearn
The Large Nc limit of QCD on the latticeWe review recent progress in the study of the large Nc limit of gauge theories from lattice simulations. The focus is not only the planar limit but also the size of O(Nc-1)…Pilar Hernández, Fernando Romero-López·Dec 6, 2020SaveLearn
Photonic realization of the kappa-deformed Dirac equationWe show an implementation of a kappa-deformed Dirac equation in tight-binding arrays of photonic waveguides. This is done with a special configuration of couplings extending to second nearest…Parisa Majari, Emerson Sadurni, Mohammad Reza Setare et al.·Dec 5, 2020SaveLearn
Qubit regularization of asymptotic freedomWe provide strong evidence that the asymptotically free (1+1)-dimensional non-linear O(3) sigma model can be regularized using a quantum lattice Hamiltonian, referred to as the "Heisenberg-comb",…Tanmoy Bhattacharya, Alexander J. Buser, Shailesh Chandrasekharan et al.·Dec 3, 2020SaveLearn
The path from lattice QCD to the short-distance contribution to 0ββ decay with a light Majorana neutrinoNeutrinoless double-β (0ββ) decay of certain atomic isotopes, if observed, will have significant implications for physics of neutrinos and models of physics beyond the Standard…Zohreh Davoudi, Saurabh V. Kadam·Dec 3, 2020SaveLearn
Past, present, and future of precision determinations of the QCD coupling from lattice QCDNon-perturbative scale-dependent renormalization problems are ubiquitous in lattice QCD as they enter many relevant phenomenological applications. They require solving non-perturbatively the…Mattia Dalla Brida·Dec 2, 2020SaveLearn
Excited J-- meson resonances at the SU(3) flavor point from lattice QCDWe present the first calculation within lattice QCD of excited light meson resonances with JPC = 1--, 2-- and 3--. Working with an exact SU(3) flavor symmetry, for the singlet…Christopher T. Johnson, Jozef J. Dudek·Dec 1, 2020SaveLearn
Lattice Nucleon Isovector Unpolarized Parton Distribution in the Physical-Continuum LimitWe present the first lattice-QCD calculation of the nucleon isovector unpolarized parton distribution functions (PDFs) at the physical-continuum limit using Large-Momentum Effective Theory (LaMET).…Huey-Wen Lin, Jiunn-Wei Chen, Rui Zhang·Nov 30, 2020SaveLearn
New Abelian-like monopoles and the dual Meissner effectViolation of non-Abelian Bianchi identity can be regarded as N2-1 Abelian-like monopole currents in the continuum SU(N) QCD. Three Abelian-like monopoles, when defined in SU(2) gluodynamics on the…Atsuki Hiraguchi, Katsuya Ishiguro, Tsuneo Suzuki·Nov 29, 2020SaveLearn
Finite-volume energy shift of the three-pion ground stateUsing the framework of non-relativistic effective field theory, the finite-volume ground-state energy shift is calculated up-to-and-including O(L-6) for the system of three pions in the channel…Fabian Müller, Akaki Rusetsky, Tiansu Yu·Nov 28, 2020SaveLearn
On the non-physical concavity of the quark potentials within the thick center vortex modelLattice gauge theory results show the confinement for the quark potential in different Yang-Mills theories and even the G(2) gauge theory. LGT calculations show that quark potential should have the…Hadi Lookzadeh, M. Hosseini·Nov 27, 2020SaveLearn
Chiral Perturbation for Large Momentum Effective Field TheoryLarge momentum effective field theory (LaMET) enables the extraction of parton distribution functions (PDFs) directly on a Euclidean lattice through a factorization theorem that relates the computed…Wei-Yang Liu, Jiunn-Wei Chen·Nov 27, 2020SaveLearn
Nucleon axial and pseudoscalar form factors from lattice QCD at the physical pointWe compute the nucleon axial and induced pseudoscalar form factors using three ensembles of gauge configurations, generated with dynamical light quarks with mass tuned to approximately their physical…C. Alexandrou, S. Bacchio, M. Constantinou et al.·Nov 26, 2020SaveLearn
Hamiltonian models of lattice fermions solvable by the meron-cluster algorithmWe introduce a half-filled Hamiltonian of spin-half lattice fermions that can be studied with the efficient meron-cluster algorithm in any dimension. As with the usual bipartite half-filled Hubbard…Hanqing Liu, Shailesh Chandrasekharan, Ribhu K. Kaul·Nov 26, 2020SaveLearn
Meson spectrum in the large N limitWe present the result of our computation of the lowest lying meson masses for SU(N) gauge theory in the large N limit (with Nf/N 0). The final values are given in units of the…Margarita García Pérez, Antonio González-Arroyo, Masanori Okawa·Nov 25, 2020SaveLearn
Excited states in nucleon structure calculationsExcited state contributions represent a formidable challenge for hadron structure calculations in lattice QCD. For physical systems that exhibit an exponential signal-to-noise problem they often…Konstantin Ottnad·Nov 25, 2020SaveLearn
Scale setting the M\"obius Domain Wall Fermion on gradient-flowed HISQ action using the omega baryon mass and the gradient-flow scales t0 and w0We report on a sub-percent scale determination using the omega baryon mass and gradient-flow methods. The calculations are performed on 22 ensembles of Nf=2+1+1 highly improved, rooted staggered…Nolan Miller, Logan C Carpenter, Evan Berkowitz et al.·Nov 24, 2020SaveLearn
Conundrums at Finite DensityExtending the successes of lattice quantum chromodynamics(QCD) at zero as well as nonzero temperatures to nonzero density is extremely desirable in view of the quest for the QCD phase diagram both…Rajiv V. Gavai·Nov 24, 2020SaveLearn
Nucleon Momentum Fraction, Helicity and Transversity from 2+1-flavor Lattice QCDHigh statistics results for the isovector momentum fraction, x u-d, helicity moment, x u- d, and the transversity moment, $…Santanu Mondal, Rajan Gupta, Sungwoo Park et al.·Nov 24, 2020SaveLearn
Toward Quantum Simulations of Z2 Gauge Theory Without State PreparationPreparing strongly-coupled particle states on quantum computers requires large resources. In this work, we show how classical sampling coupled with projection operators can be used to compute…Erik J. Gustafson, Henry Lamm·Nov 23, 2020SaveLearn
Lattice QCD study of static quark and antiquark correlations at finite T via entanglement entropiesWith the aim of clarification of color correlations among quarks, we investigate the color correlation between a static quark and an antiquark (static q q) below and above the phase transition…Toru T. Takahashi, Yoshiko Kanada-En'yo·Nov 22, 2020SaveLearn
Latent heat and pressure gap at the first-order deconfining phase transition of SU(3) Yang-Mills theory using the small flow-time expansion methodWe study latent heat and the pressure gap between the hot and cold phases at the first-order deconfining phase transition temperature of the SU(3) Yang-Mills theory. Performing simulations on…Mizuki Shirogane, Shinji Ejiri, Ryo Iwami et al.·Nov 20, 2020SaveLearn
Efficient computation of baryon interpolating fields in Lattice QCDIn this work we present an efficient construction of baryon interpolating fields for lattice QCD computations of two and three point functions. These are essential building blocks of computations of…Eloy Romero, Kostas Orginos·Nov 19, 2020SaveLearn