Chiral determinant on the lattice -- Anomalies and Instantons
R. Narayanan, H. Neuberger
Abstract
An expression for the lattice effective action induced by chiral fermions in any even dimensions in terms of an overlap of two states is shown to have promising properties in two and four dimensions: The correct abelian anomaly is reproduced and gauge field configurations with non-zero topological charge are completely suppressed.
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