Spanning of Topological sectors, charge and susceptibility with naive Wilson fermions

We study the topological charge and the topological susceptibility in lattice QCD with two degenerate flavors of naive Wilson fermions at two values of lattice spacings and different volumes, for a range of quark masses. Configurations are generated with DDHMC/HMC algorithms and smoothened with HYP...

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Published inarXiv.org
Main Authors Chowdhury, Abhishek, De, Asit K, De Sarkar, Sangita, Harindranath, A, Mondal, Santanu, Sarkar, Anwesa, Maiti, Jyotirmoy
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 08.11.2011
Subjects
Algorithms
Dependence
Fermions
Flavor (particle physics)
Galling
Quantum chromodynamics
Topology
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Summary:We study the topological charge and the topological susceptibility in lattice QCD with two degenerate flavors of naive Wilson fermions at two values of lattice spacings and different volumes, for a range of quark masses. Configurations are generated with DDHMC/HMC algorithms and smoothened with HYP smearing. We present integrated autocorrelation time for both topological charge and topological susceptibility at the two lattice spacing values studied. The spanning of different topological sectors as a function of the hopping parameter kappa is presented. The expected chiral behaviour of the topological susceptibility (including finite volume dependence) is observed.
ISSN:2331-8422