Up and down quark masses and corrections to Dashen's theorem from lattice QCD and quenched QEDWe present a determination of the corrections to Dashen's theorem and of the individual up and down quark masses from a lattice calculation based on quenched QED and Nf=2+1 QCD simulations…L. Varnhorst, S. Durr, Z. Fodor et al.·Feb 1, 2017SaveLearn
What we can learn from two-dimensional QCD-like theories at finite densityWe study generic properties of strongly interacting matter at finite density as relevant to heavy-ion collisions at moderate beam energies or the physics of neutron stars and their mergers. Because…Björn H. Wellegehausen, Lorenz von Smekal·Feb 1, 2017SaveLearn
Machines and AlgorithmsI discuss the evolution of computer architectures with a focus on QCD and with reference to the interplay between architecture, engineering, data motion and algorithms. New architectures are…Peter A Boyle·Feb 1, 2017SaveLearn
Lattice QCD at nonzero temperature and densityIn this talk I review the current status of lattice QCD calculations at nonzero temperature and density. I focus on the QCD phase structure and bulk QCD thermodynamics at zero and nonzero chemical…Heng-Tong Ding·Feb 1, 2017SaveLearn
Improving Polynomial-filtered Hybrid Monte Carlo With HasenbuschThe predominant method for generating Lattice QCD configurations is Hybrid Monte Carlo (HMC). In order to speed up this generation, a wide range of preconditioning techniques that modify the lattice…Taylor Haar, Waseem Kamleh, James Zanotti et al.·Feb 1, 2017SaveLearn
Pion Distribution Amplitude from Lattice QCDWe present the first lattice-QCD calculation of the pion distribution amplitude using the large- momentum effective field theory (LaMET) approach, which allows us to extract lightcone parton…Jian-Hui Zhang, Jiunn-Wei Chen, Xiangdong Ji et al.·Jan 31, 2017SaveLearn
QCD Thermodynamics on the Lattice from the Gradient FlowTo obtain the precise values of the bulk quantities and transport coefficients in quark-gluon-plasma phase, we propose that a direct calculation of the renormalized energy-momentum tensor (EMT) on…Etsuko Itou, Sinya Aoki·Jan 31, 2017SaveLearn
Calculation of Nucleon Electric Dipole Moments Induced by Quark Chromo-Electric Dipole MomentsWe present initial results of computing nucleon electric dipole moment induced by quark chromo-EDM, CP-violating quark-gluon coupling. Using chirally-symmetric domain wall and Möbius fermions with…Taku Izubuchi, Michael Abramczyk, Tom Blum et al.·Jan 31, 2017SaveLearn
Thermal D mesons from anisotropic lattice QCDWe present results for correlators and spectral functions of open charm mesons using 2+1 flavours of clover fermions on anisotropic lattices. The D mesons are found to dissociate close to the…Aoife Kelly, Jon-Ivar Skullerud·Jan 31, 2017SaveLearn
Spectrum and mass anomalous dimension of SU(2) gauge theories with fermions in the adjoint representation: from Nf=1/2 to Nf=2We summarize our results concerning the spectrum and mass anomalous dimension of SU(2) gauge theories with various numbers of fermions in the adjoint representation, where each Majorana fermion…Georg Bergner, Pietro Giudice, Istvan Montvay et al.·Jan 31, 2017SaveLearn
Isospin-0 ππ scattering from twisted mass lattice QCDWe present results for the isospin-0 ππ s-wave scattering length calculated in twisted mass lattice QCD. We use three Nf = 2 ensembles with unitary pion mass at its physical value, 240~MeV and…L. Liu, S. Bacchio, P. Dimopoulos et al.·Jan 31, 2017SaveLearn
Simulating low dimensional QCD with Lefschetz thimblesNon-perturbative lattice QCD calculations at non vanishing baryon number density are hampered by the QCD sign problem. The path integral, that in lattice QCD is calculated numerically, becomes highly…Christian Schmidt, Felix Ziesché·Jan 31, 2017SaveLearn
Chiral extrapolation of the leading hadronic contribution to the muon anomalous magnetic momentA lattice computation of the leading-order hadronic contribution to the muon anomalous magnetic moment can potentially help reduce the error on the Standard Model prediction for this quantity, if…Maarten Golterman, Kim Maltman, Santiago Peris·Jan 30, 2017SaveLearn
Finite temperature gluon spectral functions from Nf=2+1+1 lattice QCDWe investigate gluon spectral functions at finite temperature in Landau gauge, based on a subset of lattice QCD ensembles with Nf=2+1+1 dynamical twisted mass quarks flavors, generated by the tmfT…Ernst-Michael Ilgenfritz, Jan M. Pawlowski, Alexander Rothkopf et al.·Jan 30, 2017SaveLearn
Determination of latent heat at the finite temperature phase transition of SU(3) gauge theoryWe calculate the energy gap (latent heat) and pressure gap between the hot and cold phases of the SU(3) gauge theory at the first order deconfining phase transition point. We perform simulations…Shinji Ejiri, Ryo Iwami, Mizuki Shirogane et al.·Jan 30, 2017SaveLearn
pMR: A high-performance communication libraryOn many parallel machines, the time LQCD applications spent in communication is a significant contribution to the total wall-clock time, especially in the strong-scaling limit. We present a novel…Peter Georg, Daniel Richtmann, Tilo Wettig·Jan 30, 2017SaveLearn
Thermodynamics of strongly-coupled lattice QCD in the chiral limitIn the strong coupling limit, n-point functions in lattice QCD with staggered fermions can be rewritten exactly as sums over constrained configurations of monomers, dimers, and baryon loops…Philippe de Forcrand, Paul Romatschke, Wolfgang Unger et al.·Jan 28, 2017SaveLearn
Comments on the temperature dependence of the gauge topologyRecent efforts in lattice evaluation of the topological susceptibility had shown that at high temperatures it is given by well-separated instantons (even in QCD with light fermions, where those are…Edward Shuryak·Jan 27, 2017SaveLearn
Möbius domain-wall fermions on gradient-flowed dynamical HISQ ensemblesWe report on salient features of a mixed lattice QCD action using valence Möbius domain-wall fermions solved on the dynamical Nf=2+1+1 HISQ ensembles generated by the MILC Collaboration. The…Evan Berkowitz, Chris Bouchard, Chia Cheng Chang et al.·Jan 26, 2017SaveLearn
On Lattice Calculation of Electric Dipole Moments and Form Factors of the NucleonWe analyze commonly used expressions for computing the nucleon electric dipole form factors (EDFF) F3 and moments (EDM) on a lattice and find that they lead to spurious contributions from the…M. Abramczyk, S. Aoki, T. Blum et al.·Jan 26, 2017SaveLearn
Beyond the Standard Model: Charting Fundamental Interactions via Lattice SimulationsAfter the discovery of the Higgs boson, the primary objective of the Large Hadron Collider (LHC) experiments is to identify new physics beyond the Standard Model (SM). One of the most intriguing…Claudio Pica·Jan 26, 2017SaveLearn
Using a new analysis method to extract excited states in the scalar meson sectorWe explore a method to extract energy eigenstates, called Athens Model Independent Analysis Scheme (AMIAS), which is an alternative to solving standard Generalized Eigenvalue Problems (GEVP). The…Jacob Finkenrath, Constantia Alexandrou, Joshua Berlin et al.·Jan 26, 2017SaveLearn
Relating the finite-volume spectrum and the two-and-three-particle S matrix for relativistic systems of identical scalar particlesWorking in relativistic quantum field theory, we derive the quantization condition satisfied by coupled two- and three-particle systems of identical scalar particles confined to a cubic spatial…Raúl A. Briceño, Maxwell T. Hansen, Stephen R. Sharpe·Jan 25, 2017SaveLearn
Refining the detection of the zero crossing for the symmetric and asymmetric three-gluon verticesThis article reports on the detailed study of the three-gluon vertex in four-dimensional SU(3) Yang-Mills theory employing lattice simulations with large physical volumes and high statistics. A…Ph. Boucaud, F. De Soto, J. Rodríguez-Quintero et al.·Jan 25, 2017SaveLearn
Classification of sign-problem-free relativistic fermions on the basis of the Majorana positivityWe classify the sign-problem-free relativistic fermion actions on the basis of the Majorana representation. In the Majorana representation, the sign-problem-free condition is given by the…Tomoya Hayata, Arata Yamamoto·Jan 25, 2017SaveLearn