Chern-Simons and WZW Anomaly Cancelations Across Dimensions
arXiv:0802.1672 · doi:10.1016/j.aop.2008.08.009
Abstract
The WZW functional in D=4 can be derived directly from the Chern-Simons functional of a compactified D=5 gauge theory and the boundary fermions it supplants. A simple pedagogical model based on U(1) gauge groups illustrates how this works. A bulk-boundary system with the fermions eliminated manifestly evinces anomaly cancelations between CS and WZW terms.
6 pages, ReVtex 4, no figures
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