Recent results from SU(2) with one adjoint Dirac fermionWe present some results for SU(2) with one adjoint Dirac flavour from lattice studies. Data for the spectroscopy, the static potential, topological charge, and the anomalous dimension of the…Andreas Athenodorou, Ed Bennett, Georg Bergner et al.·Jul 31, 2015SaveLearn
Confinement-Higgs Phase Crossover as a Lattice Artifact in 1+1 DimensionsWe examine the phase structure of massive Yang-Mills theory in 1+1 dimensions. This theory is equivalent to a gauged principal chiral sigma model. It has been previously shown that the gauged theory…Axel Cortés Cubero·Jul 30, 2015SaveLearn
The renormalization group step scaling function of the 2-flavor SU(3) sextet modelWe investigate the discrete β function of the 2-flavor SU(3) sextet model using the finite volume gradient flow scheme. Our results, using clover improved nHYP smeared Wilson fermions, follow the…Anna Hasenfratz, Yuzhi Liu, Cynthia Yu-Han Huang·Jul 29, 2015SaveLearn
Domain Wall Fermions for Planar PhysicsIn 2+1 dimensions, Dirac fermions in reducible, i.e. four-component representations of the spinor algebra form the basis of many interesting model field theories and effective descriptions of…Simon Hands·Jul 28, 2015SaveLearn
Reply to "Comment on `Lattice determination of Sigma - Lambda mixing' "In this Reply, we respond to the above Comment. Our computation [Phys. Rev. D 91 (2015) 074512] only took into account pure QCD effects, arising from quark mass differences, so it is not surprising…R. Horsley, J. Najjar, Y. Nakamura et al.·Jul 28, 2015SaveLearn
The QCD phase diagram from analytic continuationWe present the crossover line between the quark gluon plasma and the hadron gas phases for small real chemical potentials. First we determine the effect of imaginary values of the chemical potential…R. Bellwied, S. Borsanyi, Z. Fodor et al.·Jul 27, 2015SaveLearn
Exact Simulation of Loops in Lattice Gauge TheoryWe exploit the local loop dynamics calculated in prepotential formulation to compute the pertrubation expansion in the strong coupling limit of lattice gauge theory. A new exact simulation technique…Indrakshi Raychowdhury·Jul 27, 2015SaveLearn
Diagonal and off-diagonal quark number susceptibilities at high temperaturesWe present continuum extrapolated lattice QCD results for up to fourth-order diagonal and off-diagonal quark number susceptibilities in the high temperature region of 300-700 MeV. Lattice QCD…H. -T. Ding, Swagato Mukherjee, H. Ohno et al.·Jul 23, 2015SaveLearn
Matrix product states and the nonabelian rotor modelWe use uniform matrix product states (MPS) to study the (1+1)D O(2) and O(4) rotor models, which are equivalent to the Kogut-Susskind formulation of matter-free nonabelian lattice gauge theory on…Ashley Milsted·Jul 23, 2015SaveLearn
Study of shear viscosity of SU (2)-gluodynamics within lattice simulationThis paper is devoted to the study of two-point correlation function of the energy-momentum tensor T12T12 for SU(2)-gluodynamics within lattice simulation of QCD. Using multilevel algorithm we…N. Yu. Astrakhantsev, V. V. Braguta, A. Yu. Kotov·Jul 22, 2015SaveLearn
Asymptotic scaling and continuum limit of pure SU(3) lattice gauge theoryRecently the Yang-Mills gradient flow of pure SU(3) lattice gauge theory has been calculated in the range from β=6/g02=6.3 to~7.5 (Asakawa et al.), where g02 is the bare coupling constant of…Bernd A. Berg·Jul 20, 2015SaveLearn
First Physics Results at the Physical Pion Mass from Nf = 2 Wilson Twisted Mass Fermions at Maximal TwistWe present physics results from simulations of QCD using Nf = 2 dynamical Wilson twisted mass fermions at the physical value of the pion mass. These simulations were enabled by the addition of the…ETM Collaboration, A. Abdel-Rehim, C. Alexandrou et al.·Jul 17, 2015SaveLearn
Nucleon and pion structure with lattice QCD simulations at physical value of the pion massWe present results on the nucleon scalar, axial and tensor charges as well as on the momentum fraction, and the helicity and transversity moments. The pion momentum fraction is also presented. The…A. Abdel-Rehim, C. Alexandrou, M. Constantinou et al.·Jul 17, 2015SaveLearn
Net baryon number fluctuations across the chiral phase transition at finite density in the strong coupling lattice QCDWe investigate the net-baryon number fluctuations across the chiral phase transition at finite density in the strong coupling and chiral limit. Mesonic field fluctuations are taken into account by…Terukazu Ichihara, Kenji Morita, Akira Ohnishi·Jul 16, 2015SaveLearn
Fluctuations and correlations in high temperature QCDWe calculate second- and fourth-order cumulants of conserved charges in a temperature range stretching from the QCD transition region towards the realm of (resummed) perturbation theory. We perform…R. Bellwied, S. Borsanyi, Z. Fodor et al.·Jul 16, 2015SaveLearn
Dual lattice representations for O(N) and CP(N-1) models with a chemical potentialWe derive dual representations for O(N) and CP(N-1) models on the lattice. In terms of the dual variables the partition sums have only real and positive contributions also at finite chemical…Falk Bruckmann, Christof Gattringer, Thomas Kloiber et al.·Jul 15, 2015SaveLearn
Thimble regularization at work: from toy models to chiral random matrix theoriesWe apply the Lefschetz thimble formulation of field theories to a couple of different problems. We first address the solution of a complex 0-dimensional phi4 theory. Although very simple, this…Francesco Di Renzo, Giovanni Eruzzi·Jul 14, 2015SaveLearn
Phase structure with nonzero Θ QCD and twisted mass fermionsWe determine the phase diagram and chiral condensate for lattice QCD with two flavors of twisted-mass fermions in the presence of nondegenerate up and down quarks, discretization errors and a nonzero…Derek P. Horkel, Stephen R. Sharpe·Jul 13, 2015SaveLearn
Curvature of the chiral pseudo-critical line in QCD: continuum extrapolated resultsWe determine the curvature of the pseudo-critical line of strong interactions by means of numerical simulations at imaginary chemical potentials. We consider Nf=2+1 stout improved staggered…Claudio Bonati, Massimo D'Elia, Marco Mariti et al.·Jul 13, 2015SaveLearn
Prospects for a lattice computation of rare kaon decay amplitudes: Kπ+- decaysThe rare kaon decays Kπ+- and Kπνν are flavor changing neutral current (FCNC) processes and hence promising channels with which to probe the limits of the standard model and…N. H. Christ, X. Feng, A. Portelli et al.·Jul 11, 2015SaveLearn
Chiral perturbation theory for three-flavour lattice QCD with isospin splittingAn important tool for the analysis of results of numerical simulations of lattice QCD is chiral perturbation theory. In Wilson chiral perturbation theory the effects of the finite lattice spacing a…Sebastian Engelnkemper, Gernot Münster·Jul 10, 2015SaveLearn
Study of decuplet baryon resonances from lattice QCDA lattice QCD study of the strong decay width and coupling constant of decuplet baryons to an octet baryon - pion state is presented. The transfer matrix method is used to obtain the overlap of…Constantia Alexandrou, John W. Negele, Marcus Petschlies et al.·Jul 9, 2015SaveLearn
Background field method in the gradient flowIn perturbative consideration of the Yang--Mills gradient flow, it is useful to introduce a gauge non-covariant term ("gauge-fixing term") to the flow equation that gives rise to a Gaussian…Hiroshi Suzuki·Jul 9, 2015SaveLearn
The nucleon electric dipole moment with the gradient flow: the θ-term contributionWe propose a new method to calculate electric dipole moments induced by the strong QCD θ-term. The method is based on the gradient flow for gauge fields and is free from renormalization…Andrea Shindler, Thomas Luu, Jordy de Vries·Jul 9, 2015SaveLearn
On the Implementation of General Background Electromagnetic Fields on a Periodic Hypercubic LatticeNonuniform background electromagnetic fields, once implemented in lattice quantum chromodynamics calculations of hadronic systems, provide a means to constrain a large class of electromagnetic…Zohreh Davoudi, William Detmold·Jul 7, 2015SaveLearn