A note on the equality of algebraic and geometric D-brane charges in WZW models

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Published 15 June 2004 • Published under licence by IOP Publishing Ltd
, , Citation Peter Bouwknegt and David Ridout JHEP05(2004)029 DOI 10.1088/1126-6708/2004/05/029

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Author affiliations

1 Department of Physics, and Mathematical Physics and Department of Pure Mathematics, University of Adelaide, Adelaide, SA 5005, Australia

2 Department of Physics and Mathematical Physics, University of Adelaide, Adelaide, SA 5005, Australia

Dates

  1. Received 22 December 2003
  2. Accepted 11 May 2004
  3. Published

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1126-6708/2004/05/029

Abstract

The algebraic definition of charges for symmetry-preserving D-branes in Wess-Zumino-Witten models is shown to coincide with the geometric definition, for all simple Lie groups. The charge group for such branes is computed from the ambiguities inherent in the geometric definition.

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10.1088/1126-6708/2004/05/029