Gravitational and Schwinger model anomalies: how far can the analogy go?
Abstract
We describe the most general treatment of all anomalies both for chiral and massless Dirac fermions, in two-dimensional gravity. It is shown that for this purpose two regularization dependent parameters are present in the effective action. Analogy to the \ model is displayed corresponding to a specific choice of the second parameter, thus showing that the gravitational model contains \ relations having no analogy in the \ model.
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