(Non-)Abelian discrete anomalies
arXiv:0805.0207 · doi:10.1016/j.nuclphysb.2008.07.005
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).
32 pages, one figure; v2: matches version published in NPB