Chromoelectric and chromomagnetic correlators at high temperature from gradient flowThe heavy quark diffusion coefficient is encoded in the spectral functions of the chromoelectric and the chromomagnetic correlators that are calculable on the lattice. We study the chromoelectric and…Julian Mayer-Steudte, Nora Brambilla, Viljami Leino et al.·Nov 19, 2021SaveLearn
Another look at the Landau gauge three-gluon vertexWe revisit the computation of the three-gluon vertex in the Landau gauge using lattice QCD simulations with large physical volumes of (6.5 fm) 4 and (8 fm) 4 and large statistical…Guilherme T. R. Catumba, Orlando Oliveira, Paulo J. Silva·Nov 19, 2021SaveLearn
The static force from generalized Wilson loops using gradient flowWe explore a novel approach to compute the force between a static quark-antiquark pair with the gradient flow algorithm on the lattice. The approach is based on inserting a chromoelectric field in a…Viljami Leino, Nora Brambilla, Julian Mayer-Steudte et al.·Nov 19, 2021SaveLearn
FLAG Review 2021We review lattice results related to pion, kaon, D-meson, B-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. More…Y. Aoki, T. Blum, G. Colangelo et al.·Nov 18, 2021SaveLearn
Imprint of chiral symmetry restoration on the Polyakov loop and the heavy quark free energyThe Polyakov loop expectation value P is an order parameter of the deconfinement transition in the heavy quark mass regime, whereas its sensitivity to the deconfinement of light,…David Anthony Clarke, Olaf Kaczmarek, Frithjof Karsch et al.·Nov 18, 2021SaveLearn
Continuum limit of baryon-baryon scattering with SU(3) flavor symmetryWe report a study of the scattering of two octet baryons using lattice QCD. The baryon-baryon spectrum is computed using distillation on eight lattice ensembles spanning six lattice spacings and…Jeremy R. Green, Andrew D. Hanlon, Parikshit M. Junnarkar et al.·Nov 18, 2021SaveLearn
Density of states approach for lattice field theory with topological termsWe discuss a new density of states (DoS) approach to solve the complex action problem that is caused by topological terms. The key ingredient is to use open boundary conditions for (at least) one of…Christof Gattringer, Oliver Orasch·Nov 18, 2021SaveLearn
Phases at finite winding number of an Abelian lattice gauge theoryPure gauge theories are rather different from theories with pure scalar and fermionic matter, especially in terms of the nature of excitations. For example, in scalar and fermionic theories, one can…Paolo Stornati, Debasish Banerjee, Karl Jansen et al.·Nov 17, 2021SaveLearn
Proton momentum and angular momentum decompositions with overlap fermionsWe present a calculation of the proton momentum and angular momentum decompositions using overlap fermions on a 2+1-flavor RBC/UKQCD domain-wall lattice at 0.143 fm with a pion mass of 171 MeV…Gen Wang, Yi-Bo Yang, Jian Liang et al.·Nov 17, 2021SaveLearn
Infrared physics of the SU(2) Georgi-Glashow crossover transitionWe perform a lattice study of the phase transition in the SU(2) Georgi-Glashow model in three dimensions, where the gauge symmetry is broken to U(1) by the Higgs mechanism and a…Lauri Niemi, Kari Rummukainen, Riikka Seppä et al.·Nov 17, 2021SaveLearn
Hadronic Parity Violation from 4-quark InteractionsWe present an exploratory investigation of the parity odd I = 1 pion-nucleon coupling hπ1 from lattice QCD. Based on the PCAC relation, we study the parity-conserving effective…Aniket Sen, Marcus Petschlies, Nikolas Schlage et al.·Nov 17, 2021SaveLearn
Lattice results for the longitudinal spin structure and color forces on quarks in a nucleonUsing lattice QCD, we calculate the twist-2 contribution a2 to the third Mellin moment of the spin structure functions g1 and g2 in the nucleon. In addition we evaluate the twist-3…S. Bürger, T. Wurm, M. Löffler et al.·Nov 16, 2021SaveLearn
Confinement/Deconfinement in 4D compact QED on the latticeIt has long been known that there is a phase transition between confined and unconfined phases of compact pure gauge QED on the lattice. In this work we report three manifestations of this phase…Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva·Nov 15, 2021SaveLearn
The scalar, vector and tensor form factors for the pion and kaon from lattice QCDWe present a calculation of the scalar, vector, and tensor form factors for the pion and kaon in lattice QCD. We use an ensemble of two degenerate light, a strange and a charm quark (Nf=2+1+1) of…Constantia Alexandrou, Simone Bacchio, Ian Cloet et al.·Nov 15, 2021SaveLearn
Vacuum correlators at short distances from lattice QCDWe propose a method to help control cutoff effects in the short-distance contribution to integrated correlation functions, such as the hadronic vacuum polarization (HVP), using the corresponding…Tim Harris, Marco Cè, Harvey B. Meyer et al.·Nov 15, 2021SaveLearn
The static force from generalized Wilson loopsRecently a method to compute the static force with lattice gauge theory using an insertion of a chromoelectric field into a Wilson loop was proposed. We explore this method using the multilevel…Viljami Leino, Nora Brambilla, Owe Philipsen et al.·Nov 15, 2021SaveLearn
Progress on Meson-Baryon ScatteringProgress in computing various meson-baryon scattering amplitudes is presented on a single ensemble from the Coordinated Lattice Simulations (CLS) consortium with mπ=200 MeV and Nf=2+1…Colin Morningstar, John Bulava, Andrew D. Hanlon et al.·Nov 15, 2021SaveLearn
A chiralspin symmetry in QCD in Minkowski space-timeIn this paper, we look how to construct in Minkowski space-time a new type of chiralspin group transformation of the spinor fields, similar to the one discovered by recent works of…Marco Catillo·Nov 14, 2021SaveLearn
Introducing vortices in the continuum using direct and indirect methodsInspired by direct and indirect maximal center gauge methods which confirm the existence of vortices in lattice calculations and by using the connection formalism, we show that under some appropriate…Zahra Asmaee, Sedigheh Deldar, Motahareh Kiamari·Nov 13, 2021SaveLearn
The 't Hooft-Veneziano limit of the Polyakov loop modelsThe broad class of U(N) and SU(N) Polyakov loop models on the lattice are solved exactly in the combined large N, Nf limit, where N is a number of colors and Nf is a number of quark flavors, and in…O. Borisenko, V. Chelnokov, S. Voloshyn·Nov 13, 2021SaveLearn
Light-cone PDFs and GPDs from Lattice QCDIn this article, we review recent lattice calculations on the x-dependence of PDFs and GPDs from lattice QCD.Martha Constantinou·Nov 12, 2021SaveLearn
Form factors for the decay processes Bc+ D0 + and Bc+ Ds+ + - from lattice QCDWe present results of the first lattice QCD calculations of the weak matrix elements for the decays Bc+ D0 + , Bc+ Ds+ + - and $Bc+ Ds+ …Laurence Cooper, Christine Davies, Matthew Wingate·Nov 12, 2021SaveLearn
Fermionic quantum field theories as probabilistic cellular automataA class of fermionic quantum field theories with interactions is shown to be equivalent to probabilistic cellular automata, namely cellular automata with a probability distribution for the initial…C. Wetterich·Nov 12, 2021SaveLearn
The flux tube profile in full QCDWe measure the spatial distribution of all components of the color fields surrounding a static quark antiquark pair in QCD with (2+1) HISQ flavors. We isolate the nonperturbative component of the…M. Baker, V. Chelnokov, L. Cosmai et al.·Nov 12, 2021SaveLearn
Nonperturbative excitations in overoccupied gluon plasmasMotivated by the early-time dynamics of the quark-gluon plasma in high-energy heavy-ion collisions, we extract gluonic spectral functions of overoccupied gauge theories far from equilibrium using…Kirill Boguslavski·Nov 11, 2021SaveLearn