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(Non-)Abelian discrete anomalies
Abstract
We derive anomaly constraints for Abelian and non-Abelian discrete symmetries using the path integral approach. We survey anomalies of discrete symmetries in heterotic orbifolds and find a new relation between such anomalies and the so-called 'anomalous' U(1). © 2008 Elsevier B.V. All rights reserved.
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