Lattice results on gluon and ghost propagators in Landau gauge
classification
✦ hep-lat
keywords
gaugelandauapproacheffectsghostgluonlatticepropagators
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We present clear evidence of strong effects of Gribov copies in Landau gauge gluon and ghost propagators computed on the lattice at small momenta by employing a new approach to Landau gauge fixing and a more effective numerical algorithm. It is further shown that the new approach substantially decreases notorious finite-volume effects.
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