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Lattice gauge fixing, Gribov copies and BRST symmetry

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Phys. Lett., (1998)
DOI: 10.1016/S0370-2693(98)00481-X

Аннотация

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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