The gluon and ghost propagator and the influence of Gribov copies

Details The gluon and ghost propagator and the influence of Gribov copies The gluon and ghost propagator and the influence of Gribov copies

2004-09-20

arxiv.org/abs/hep-lat/0409125v1

Nucl.Phys.Proc.Suppl. 140 (2005) 653-655

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented at Lattice2004(topology), Fermilab, June 21-26, 2004, 3 pages, 3 figures

Scientific paper

10.1016/j.nuclphysbps.2004.11.15

The dependence of the Landau gauge gluon and ghost propagators on the choice
of Gribov copies is studied in pure SU(3) lattice gauge theory. Whereas the
influence on the gluon propagator is small, the ghost propagator becomes
clearly affected by the copies in the infrared region. We compare our data with
the infrared exponents predicted by the Dyson-Schwinger equation approach

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