Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 158, Issue 2, Pages 73-88Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2003.12.001
Keywords
lattice QCD; Landau gauge; gauge fixing; Gribov copies
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An algorithm for gauge fixing to the Landau gauge in the fundamental modular region 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. (C) 2004 Elsevier B.V. All rights reserved.
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