Zero density heavy quark SU(2) gauge theory and the Stefan-Boltzmann limit

Details Zero density heavy quark SU(2) gauge theory and the Stefan-Boltzmann limit Zero density heavy quark SU(2) gauge theory and the Stefan-Boltzmann limit

2005-09-27

arxiv.org/abs/hep-lat/0509156v1

PoS LAT2005 (2005) 201

Physics

High Energy Physics

High Energy Physics - Lattice

presented at Lattice2005(Nonzero temperature and density), Dublin, July 25-30, 2005, 6 pages, 4 figures, to appear in Proceedi

Scientific paper

SU(2) lattice gauge theory is investigated where the traces of the Wilson lines at any lattice point and along each direction is constrained to zero. Hence, each of the lattice configurations possesses a vanishing density of heavy (anti-) quarks. The results are compared with those of pure SU(2) gauge theory which can be interpreted as the grand canonical realization of the heavy quark theory where only the ensemble average of the heavy quark density vanishes. The static quark anti-quark potential of the constrained theory is obtained from (spatially smeared) Wilson loops at zero temperature. We find that the potential coincides with that of pure SU(2) gauge theory (without constraints). Hence, the familiar "running" of the lattice spacing with beta is recovered.

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