The gluon and ghost propagator and the influence of Gribov copies
classification
✦ hep-lat
keywords
copiesghostgluonpropagatorgaugegribovinfluenceinfrared
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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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