Parameter dependence of the topology change and the scaling properties of the topology conserving gauge action

Details Parameter dependence of the topology change and the scaling properties of the topology conserving gauge action Parameter dependence of the topology change and the scaling properties of the topology conserving gauge action

2005-09-30

arxiv.org/abs/hep-lat/0509184v2

PoS LAT2005 (2005) 317

Physics

High Energy Physics

High Energy Physics - Lattice

Typos corrected. Talk presented at Lattice 2005 (topology and confinement), 6 pages, 5 figures

Scientific paper

The topology conserving gauge action proposed by Luescher is expected to reduce the number of non-smooth gauge configurations as well as the topology change compared to the conventional actions for the same lattice spacings. We report our quenched QCD study of the topological stability and the scaling violation of the static quark potential. We find that the the topology change is indeed suppressed when the parameter epsilon is of order one. We also find that the scaling violation in the static quark potential remain reasonably small in the parameter range of our study. Our study is done at the inverse lattice spacing a^{-1}=1.4-2.5 GeV with the lattice size L=1.0-1.6fm.

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