Lattice Gauge Fixing, Gribov Copies and BRST Symmetry
M. Testa
Abstract
We show that a modification of the BRST lattice quantization allows to circumvent an old paradox, formulated by Neuberger, related to lattice Gribov copies and non-perturbative BRST invariance. In the continuum limit the usual BRST formulation is recovered.
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