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ID: 3214.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
RR charges of D2-branes in the WZW model
Authors:Alekseev, Anton Yu.; Schomerus, Volker
Language:English
Date of Publication (YYYY-MM-DD):2000
Review Status:not specified
Audience:Not Specified
Abstract / Description:We consider the contribution of the B-field into the RR charge of a spherical D2-brane. Extending a recent analysis of Taylor, we show that the boundary and bulk contributions do not cancel in general. Instead, they add up to an integer as observed by Stanciu. The general formula is applied to compute the RR charges of spherical D-branes of the SU(2) WZW model at level k and it shows that these RR charges are only defined modulo k+2. We support this claim by studying bound state formation of D0-branes using boundary conformal field theory.
External Publication Status:submitted
Document Type:Other
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
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