Polyakov line actions from SU(3) lattice gauge theory with dynamical fermions: first results via relative weights

2015/10/13 by Höllwieser, Roman, Greensite, Jeff
#FOS: Physical sciences #High Energy Physics - Lattice (hep-lat)

paper · doi:10.48550/arxiv.1510.03824

Abstract

We apply the relative weights method to extract an effective Polyakov line action, at finite chemical potential, from an underlying SU(3) lattice gauge theory with dynamical fermions. The center-symmetry breaking terms in the effective theory are fit to a form suggested by the hopping-parameter expansion, and the effective action is solved at finite chemical potential by a mean field approach. We present preliminary results for one-link staggered fermions with mass ma=1.0 and Wilson gauge action at β=5.4 on L³×4 lattices with L=16.

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