Lorentz gauge fixing and the Gribov problem: the fermion correlator in lattice compact QED with Wilson fermions
arXiv:hep-lat/9910037 · doi:10.1016/S0920-5632(00)91858-9
Abstract
For the Lorentz gauge the influence of Gribov copies on the fermion propagator is investigated in quenched lattice compact QED. In the Coulomb phase zero-momentum modes of the gauge fields are shown to be the main reason for a significant deviation from ordinary perturbation theory.
4 pages and 2 Postscript figures