A global optimization method for Landau gauge fixing in Lattice QCD

Details A global optimization method for Landau gauge fixing in Lattice QCD A global optimization method for Landau gauge fixing in Lattice QCD

2003-09-29

arxiv.org/abs/hep-lat/0309184v3

Comput.Phys.Commun. 158 (2004) 73-88

Physics

High Energy Physics

High Energy Physics - Lattice

To appear in Comp. Phys. Comm. Minor changes in text

Scientific paper

10.1016/j.cpc.2003.12.001

An algorithm for gauge fixing to the minimal Landau gauge in lattice QCD is described. The method, a combination of an evolutionary algorithm with a steepest descent method, is able to solve the problem of the nonperturbative gauge fixing. The performance of the combined algorithm is investigated on $8^4$, $\beta = 5.7$, and $16^4$, $\beta = 6.0$, lattice SU(3) gauge configurations.

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