Lattice QCD gluon propagators near transition temperature

Details Lattice QCD gluon propagators near transition temperature Lattice QCD gluon propagators near transition temperature

2011-03-02

arxiv.org/abs/1103.0442v1

Physics

High Energy Physics

High Energy Physics - Lattice

9 pages, 7 figures

Scientific paper

Landau gauge gluon propagators are studied numerically in the SU(3) gluodynamics as well as in the full QCD with the number of flavors $n_F=2$ using efficient gauge fixing technique. We compare these propagators at temperatures very close to the transition point in two phases : confinement and deconfinement. The electric mass $m_E$ has been determined from the momentum space longitudinal gluon propagator. Gribov copy effects are found to be rather strong in the gluodynamics, while in the full QCD case they are weak ("Gribov noise"). Also we analyse finite volume dependence of the transverse and longitudinal propagators.

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