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Twisted brane charges for non-simply connected groups

arXiv:hep-th/0610304 · doi:10.1088/1126-6708/2007/01/035

Abstract

The charges of the twisted branes for strings on the group manifold SU(n)/Z_d are determined. To this end we derive explicit (and remarkably simple) formulae for the relevant NIM-rep coefficients. The charge groups of the twisted and untwisted branes are compared and found to agree for the cases we consider.

30 pages