Landau gauge gluon vertices from Lattice QCDIn lattice QCD the computation of one-particle irreducible (1PI) Green's functions with a large number (> 2) of legs is a challenging task. Besides tuning the lattice spacing and volume to reduce…Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva·Oct 31, 2016SaveLearn
Chiral Extrapolation of the Sigma ResonanceWe analyze recent results on isoscalar ππ scattering from a Nf=2+1 lattice simulation by the HadronSpectrum collaboration by re-summing the two-flavor chiral scattering amplitude of the…Michael Döring, Bin Hu, Maxim Mai·Oct 31, 2016SaveLearn
Dark matter from one-flavor SU(2) gauge theorySU(2) gauge theory with a single fermion in the fundamental representation is a minimal non-Abelian candidate for the dark matter sector, which is presently missing from the standard model. Having…Anthony Francis, Renwick James Hudspith, Randy Lewis et al.·Oct 31, 2016SaveLearn
Gradient flow running coupling in SU(2) Nf=6 flavorsWe present preliminary results of the running of the coupling in SU(2) gauge theory with 6 massless fundamental representation fermion flavors. We measure the coupling using the gradient flow method…Viljami Leino, Teemu Rantalaiho, Kari Rummukainen et al.·Oct 31, 2016SaveLearn
Roberge-Weiss transition in Nf=2 QCD with staggered fermions and Nτ=6The QCD phase diagram at imaginary chemical potential exhibits a rich structure and studying it can constrain the phase diagram at real values of the chemical potential. Moreover, at imaginary…Owe Philipsen, Alessandro Sciarra·Oct 31, 2016SaveLearn
Competing order in the fermionic Hubbard model on the hexagonal graphene latticeWe study the phase diagram of the fermionic Hubbard model on the hexagonal lattice in the space of on-site and nearest neighbor couplings with Hybrid-Monte-Carlo simulations. With pure on-site…Pavel Buividovich, Dominik Smith, Maksim Ulybyshev et al.·Oct 31, 2016SaveLearn
Nucleon structure from 2+1-flavor dynamical DWF ensemblesNucleon isovector vector- and axialvector-current form factors, the renormalized isovector transversity and scalar charge, and the bare quark momentum and helicity moments of isovector structure…Michael Abramczyk, Meifeng Lin, Andrew Lytle et al.·Oct 31, 2016SaveLearn
Masses and decay constants of D(s)* and B(s)* mesons in Lattice QCD with Nf = 2 + 1 + 1 twisted-mass fermionsWe present a lattice calculation of the decay constants and masses of D(s)* and B(s)* mesons using the gauge configurations produced by the European Twisted Mass Collaboration (ETMC) with…V. Lubicz, A. Melis, S. Simula·Oct 30, 2016SaveLearn
Complete Monopole Dominance of the Static Quark PotentialIn earlier work, we used a gauge independent Abelian Decomposition to show that Abelian degrees of freedom are wholly responsible for the static quark potential. The restricted Abelian field can be…Nigel Cundy·Oct 30, 2016SaveLearn
Electromagnetic corrections to the leptonic decay rates of charged pseudoscalar mesons: lattice resultsElectromagnetic effects in the leptonic decay rates π+ μ+ ν and K+ μ+ ν are evaluated for the first time on the lattice. Following a method recently proposed in Ref. [1] the emission…V. Lubicz, G. Martinelli, C. T. Sachrajda et al.·Oct 30, 2016SaveLearn
Thermal dynamics on the lattice with exponentially improved accuracyWe present a novel simulation prescription for thermal quantum fields on a lattice that operates directly in imaginary frequency space. By distinguishing initial conditions from quantum dynamics it…Jan Pawlowski, Alexander Rothkopf·Oct 29, 2016SaveLearn
Equation of state in (2+1)-flavor QCD with gradient flowThe energy-momentum tensor and equation of state are studied in finite-temperature (2+1)-flavor QCD with improved Wilson quarks using the method proposed by Makino and Suzuki based on the gradient…Kazuyuki Kanaya, Shinji Ejiri, Ryo Iwami et al.·Oct 29, 2016SaveLearn
Polyakov loop effects on the phase diagram in strong-coupling lattice QCDWe investigate the Polyakov loop effects on the QCD phase diagram by using the strong-coupling (1/g2) expansion of the lattice QCD (SC-LQCD) with one species of unrooted staggered quark, including…Kohtaroh Miura, Noboru Kawamoto, Takashi Z. Nakano et al.·Oct 28, 2016SaveLearn
Absence of bilinear condensate in three-dimensional QEDThere are plausibility arguments that QED in three dimensions has a critical number of flavors of massless two-component fermions, below which scale invariance is broken by the presence of bilinear…Nikhil Karthik, Rajamani Narayanan·Oct 28, 2016SaveLearn
Testing dynamic stabilisation in complex Langevin simulationsComplex Langevin methods have been successfully applied in theories that suffer from a sign problem such as QCD with a chemical potential. We present and illustrate a novel method (dynamic…Felipe Attanasio, Benjamin Jäger·Oct 28, 2016SaveLearn
ΛcΣcπ coupling and Σc →Λc π decay in lattice QCDWe evaluate the ΛcΣcπ coupling constant (GΛc Σc π) and the width of the strong decay Σc →Λc π in 2+1 flavor lattice QCD on four different ensembles with pion masses ranging…K. U. Can, G. Erkol, M. Oka et al.·Oct 28, 2016SaveLearn
The CP(2) Model at Non-Zero Chemical PotentialRecently the simulation of quantum field theories using man-made physical systems has become realistic. In this publication we present numerical results which support the use of quantum simulation…Wynne Evans, Urs Gerber, Uwe-Jens Wiese·Oct 27, 2016SaveLearn
Multiresolution decomposition of quantum field theories using wavelet basesWe investigate both theoretical and computational aspects of using wavelet bases to decouple physics on different scales in quantum field theory.Tracie Michlin, W. N. Polyzou, Fatih Bulut·Oct 27, 2016SaveLearn
Applications of Jarzynski's relation in lattice gauge theoriesJarzynski's equality is a well-known result in statistical mechanics, relating free-energy differences between equilibrium ensembles with fluctuations in the work performed during non-equilibrium…Alessandro Nada, Michele Caselle, Gianluca Costagliola et al.·Oct 27, 2016SaveLearn
The large N limit of the topological susceptibility of Yang-Mills gauge theoryWe present a precise computation of the topological susceptibility χ_YM of SU(N) Yang-Mills theory in the large N limit. The computation is done on the lattice, using…Marco Cè, Miguel García Vera, Leonardo Giusti et al.·Oct 27, 2016SaveLearn
Lattice Dirac Fermions on a Simplicial Riemannian ManifoldThe lattice Dirac equation is formulated on a simplicial complex which approximates a smooth Riemann manifold by introducing a lattice vierbein on each site and a lattice spin connection on each…Richard C. Brower, George T. Fleming, Andrew D. Gasbarro et al.·Oct 27, 2016SaveLearn
Confinement-Deconfinement transition in SU(2)+Higgs TheoryWe study the confinement-deconfinement transition in SU(2) gauge theory in the presence of massless bosons using lattice Monte Carlo simulations. The nature of this transition depends on the…Minati Biswal, Mridupawan Deka, Sanatan Digal et al.·Oct 26, 2016SaveLearn
Squared width and profile of the confining flux tube in the U(1) LGT in 3DThe dual formulation of the compact U(1) lattice gauge theory in three spacetime dimensions allows to finely study the squared width and the profile of the confining flux tube on a wide range of…Michele Caselle, Marco Panero, Davide Vadacchino·Oct 26, 2016SaveLearn
Sextet Model with Wilson FermionsWe present new results from our ongoing study of the SU(3) sextet model with two flavors in the two-index symmetric representation of the gauge group. In the simulations use unimproved Wilson…Martin Hansen, Claudio Pica·Oct 25, 2016SaveLearn
Equation of State for SU(3) Gauge Theory via the Energy-Momentum Tensor under Gradient FlowThe energy density and the pressure of SU(3) gauge theory at finite temperature are studied by direct lattice measurements of the renormalized energy-momentum tensor obtained by the gradient flow.…Masakiyo Kitazawa, Takumi Iritani, Masayuki Asakawa et al.·Oct 25, 2016SaveLearn