A Generalized Gauge Invariant Regularization of the Schwinger Model
G. Bhattacharya, A. Ghosh, P. Mitra
Abstract
The Schwinger model is studied with a new one - parameter class of gauge invariant regularizations that generalizes the usual point - splitting or Fujikawa schemes. The spectrum is found to be qualitatively unchanged, except for a limiting value of the regularizing parameter, where free fermions appear in the spectrum.
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