Fermion theories on a 2d torus with Wilson action improved by Pauli -- Villars regularization
arXiv:hep-lat/9708022 · doi:10.1016/S0370-2693(97)01517-7
Abstract
Vectorial and anomaly free chiral U(1) fermion models on a 2d finite lattice are considered. It is demonstrated both numerically and analytically that introduction of Pauli -- Villars type regularization supresses the symmetry breaking effects caused by the Wilson term.
17 pages, Latex, 6 eps-figures