Lattice N=4 three-dimensional super-Yang-MillsWe describe our recent work on the lattice formulation of N=4 three-dimensional super-Yang-Mills. Our formulation was based on the Donaldson-Witten twist, but we have also been studying the…Joel Giedt, Arthur Lipstein, Paul Martin·Nov 1, 2018SaveLearn
On chiral extrapolations of coupled-channel reaction dynamics for charmed mesonsWe perform an analysis of QCD lattice data on masses of charmed meson with JP = 0- and JP =1- quantum numbers. The quark-mass dependence of the data set is used to gain information on the size of…Xiao-Yu Guo, Yonggoo Heo, Matthias F. M. Lutz·Nov 1, 2018SaveLearn
Porting DDalphaAMG solver to K computerWe port Domain-Decomposed-alpha-AMG solver to the K computer. The system has 8 cores and 16 GB memory per node, of which theoretical peak is 128 GFlops (82,944 nodes in total). Its feature, as many…Ken-Ichi Ishikawa, Issaku Kanamori·Nov 1, 2018SaveLearn
Practical Implementation of Lattice QCD Simulation on SIMD Machines with Intel AVX-512We investigate implementation of lattice Quantum Chromodynamics (QCD) code on the Intel AVX-512 architecture. The most time consuming part of the numerical simulations of lattice QCD is a solver of…Issaku Kanamori, Hideo Matsufuru·Nov 1, 2018SaveLearn
On isospin breaking in τ decays for (g-2)μ from Lattice QCDHadronic spectral functions of τ decays have been used in the past to provide an alternative determination of the LO Hadronic Vacuum Polarization relevant for the (g-2) of the muon. Following…Mattia Bruno, Taku Izubuchi, Christoph Lehner et al.·Nov 1, 2018SaveLearn
Structure of hybrid static potential flux tubes in lattice Yang-Mills theoryWe report about an ongoing lattice field theory project concerned with the investigation of heavy hybrid mesons. In particular we discuss our computation of the structure of hybrid static potential…Lasse Mueller, Owe Philipsen, Christian Reisinger et al.·Nov 1, 2018SaveLearn
Finite-volume matrix elements of two-body statesIn this talk, we present a framework for studying structural information of resonances and bound states coupling to two-hadron scattering states. This makes use of a recently proposed finite-volume…Alessandro Baroni, Raúl A. Briceño, Maxwell T. Hansen et al.·Nov 1, 2018SaveLearn
Progress in the lattice simulations of Sp(2N) gauge theoriesWe report on the status of our programme to simulate Sp(2N) gauge theories on the lattice. Motivated by the potential realization of an SU(4)/Sp(4)(6)/SO(5) composite Higgs model…Jong-Wan Lee, Ed Bennett, Deog Ki Hong et al.·Nov 1, 2018SaveLearn
Heavy quark scaling of Bπν form factors with Möbius domain wall fermionsWe report on the progress of our calculation of form factors for the exclusive semileptonic decay of B mesons to pions on 2+1 flavour lattices with spacings from 0.080~fm down to…Brian Colquhoun, Shoji Hashimoto, Takashi Kaneko·Nov 1, 2018SaveLearn
Spatial structure of the color field in the SU(3) flux tubeWe report on the chromoelectric and chromomagnetic fields generated by a static quark-antiquark pair at zero temperature in pure gauge SU(3). From the spatial structure of chromoelectric field we…M. Baker, Paolo Cea, Volodymyr Chelnokov et al.·Oct 31, 2018SaveLearn
Simulations of gaussian systems in Minkowski timeMany research programs aiming to deal with the sign problem were proposed since the advent of lattice field theory. Several of these try to achieve this by exploiting properties of analytic…Błażej Ruba, Jacek Wosiek·Oct 31, 2018SaveLearn
Perturbative calculation of Zq at the one-loop level using HYP-smeared staggered quarksWe present matching factors for Zq calculated perturbatively at the one-loop level with improved staggered quarks. We calculate Zq with HYP-smeared staggered quarks and Symanzik-improved gluons…Benjamin J. Choi, Weonjong Lee, Jangho Kim et al.·Oct 31, 2018SaveLearn
Mass Splitting in a Linear Sigma ModelWe derived the tree level spectrum to an extension to the linear sigma model describing an EFT for an SU(3)c gauge theory with Nf flavors of fermions and N1 fermions have a mass ml and…Diego de Floor, Erik Gustafson, Yannick Meurice·Oct 31, 2018SaveLearn
Computation of hybrid static potentials from optimized trial states in SU(3) lattice gauge theoryWe compute hybrid static potentials in SU(3) lattice gauge theory using a method to automatically generate a large set of suitable creation operators from elementary building blocks. This method…Christian Reisinger, Stefano Capitani, Lasse Müller et al.·Oct 31, 2018SaveLearn
The H dibaryon from lattice QCD with SU(3) flavor symmetryWe show recent results from the Mainz group using Nf = 2 + 1 CLS ensembles generated at the SU(3) symmetric point. Temporal correlation functions using two-baryon interpolating operators are…Andrew Hanlon, Anthony Francis, Jeremy Green et al.·Oct 31, 2018SaveLearn
Topological Susceptibility to High Temperatures via ReweightingWe measure the topological susceptibility of quenched QCD on the lattice at two high temperatures. For this, we define topology with the help of gradient flow and mitigate the statistical problem of…P. Thomas Jahn, Guy D. Moore, Daniel Robaina·Oct 31, 2018SaveLearn
Regressive and generative neural networks for scalar field theoryWe explore the perspectives of machine learning techniques in the context of quantum field theories. In particular, we discuss two-dimensional complex scalar field theory at nonzero temperature and…Kai Zhou, Gergely Endrődi, Long-Gang Pang et al.·Oct 30, 2018SaveLearn
Tensor Networks and their use for Lattice Gauge TheoriesTensor Network States are ans\"atze for the efficient description of quantum many-body systems. Their success for one dimensional problems, together with the fact that they do not suffer from the…Mari Carmen Bañuls, Krzysztof Cichy, J. Ignacio Cirac et al.·Oct 30, 2018SaveLearn
Topology of two-color QCD at low temperature and high densityThe chemical potential (μ) dependence of the topological susceptibility with two-color two-flavor QCD is studied. We find that at temperature T ≈ Tc /2, where Tc denotes the critical…Etsuko Itou, Kei Iida, Tong-Gyu Lee·Oct 30, 2018SaveLearn
Stabilising complex Langevin simulationsWe present updated results of dynamic stabilisation (DS) applied to complex Langevin simulations of QCD in the heavy-dense limit and with staggered quarks. We show that DS is able to keep the…Felipe Attanasio, Benjamin Jäger·Oct 30, 2018SaveLearn
Pion Form Factor with Overlap FermionWe present a calculation of the pion form factor using overlap fermions on 2+1-flavor domain-wall configurations on a 243× 64 lattice with a=0.11 \, fm and on a 323 × 64…Gen Wang, Jian Liang, Terrence Draper et al.·Oct 30, 2018SaveLearn
The perturbative SU(N) one-loop running coupling in the twisted gradient flow schemeWe report on our computation of the perturbative running of the 't Hooft coupling in a pure gauge SU(N) theory with twisted boundary conditions. The coupling is defined in terms of the energy…Eduardo I. Bribian, Margarita Garcia Perez·Oct 30, 2018SaveLearn
Three neutrons from Lattice QCDWe present a study on ab-initio calculations of three-neutron correlators from Lattice QCD. We extend the method of baryon blocks to systems of three spacially displaced baryons. This allows the…Jan-Lukas Wynen, Evan Berkowitz, Thomas Luu et al.·Oct 30, 2018SaveLearn
Study of doubly heavy tetraquarks in Lattice QCDWe present results of a lattice calculation of tetraquark states with quark contents q1q2QQ, \, q1,q2 ⊂ u,d,s,c and Q b,c in both spin zero (J=0) and spin one…Parikshit Junnarkar, Nilmani Mathur, M Padmanath·Oct 29, 2018SaveLearn
Investigation of the 1+1 dimensional Thirring model using the method of matrix product statesWe present preliminary results of a study on the non-thermal phase structure of the (1+1) dimensional massive Thirring model, employing the method of matrix product states. Through investigating the…Mari Carmen Banuls, Krzysztof Cichy, Ying-Jer Kao et al.·Oct 29, 2018SaveLearn