The charges of a twisted brane

Details The charges of a twisted brane The charges of a twisted brane

2003-11-25

arxiv.org/abs/hep-th/0311242v2

JHEP 0401 (2004) 018

Physics

High Energy Physics

High Energy Physics - Theory

27 pages, 1 figure, harvmac (b)

Scientific paper

10.1088/1126-6708/2004/01/018

The charges of the twisted D-branes of certain WZW models are determined. The twisted D-branes are labelled by twisted representations of the affine algebra, and their charge is simply the ground state multiplicity of the twisted representation. It is shown that the resulting charge group is isomorphic to the charge group of the untwisted branes, as had been anticipated from a K-theory calculation. Our arguments rely on a number of non-trivial Lie theoretic identities.

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