On Orientifolds of WZW Models and their Relation to Geometry
Abstract
We investigate D-branes in orientifolds of WZW models. A connection between the conformal field theory approach to orientifolds and the target space motivated analysis is established. In particular, we associate previously constructed crosscap states to involutions of the group manifold and their fixed point sets. Whereas our analysis of D-branes in orientifolds of general WZW models is restricted to special D0-branes, we investigate all symmetry preserving branes of SU(2)-orientifolds in detail. For that case, the location of the orientifold fixed point set is independently determined by scattering localized graviton wave packets.
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