Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2004-12-06
AIP Conf.Proc.756 (2005) 284-286
Physics
High Energy Physics
High Energy Physics - Lattice
Talk presented at Quark Confinement and the Hadron Spectrum VI, Villasimius, Sardinia, Italy, September 21-25, 2004, 3 pages,
Scientific paper
10.1063/1.1920968
The dependence of the gluon and ghost propagator in pure SU(3) gauge theory on the choice of Gribov copies in Landau gauge is studied. Simulations were performed on several lattice sizes at $\beta$=5.8, 6.0 and 6.2. In the infrared region the ghost propagator turns out to depend on the choice, while the impact on the gluon propagator is not resolvable. Also the eigenvalue distribution of the Faddeev-Popov operator is sensitive to Gribov copies.
Ilgenfritz Ernst-Michael
Mueller-Preussker Michael
Schiller Avraham
Sternbeck André
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