Fermion theories on a 2d torus with Wilson action improved by Pauli -- Villars regularization
classification
✦ hep-lat
keywords
fermionpauliregularizationvillarswilsonactionanalyticallyanomaly
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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.
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