SU(2) chiral Yang-Mills model on a lattice. Witten anomaly eaten by the lattice
Corneliu Sochichiu
Abstract
Using a regularisation of the chiral SU(2) Yang-Mills model by an infinite number of Pauli-Villars fields the doubler free gauge invariant lattice model is constructed. Its continuum limit provides the recently proposed mechanism for cancelation of Witten anomaly.
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