Geometry of branes on supergroups

Details Geometry of branes on supergroups Geometry of branes on supergroups

2008-09-02

arxiv.org/abs/0809.0468v1

Nucl.Phys.B812:301-321,2009

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 1 figure

Scientific paper

10.1016/j.nuclphysb.2008.10.006

In this note we analyze the geometry of maximally symmetric boundary conditions in Lie supergroup Wess-Zumino-Novikov-Witten models. We find that generically the worldvolume of a brane is a twisted superconjugacy class, very much like in the Lie group case. Whenever the brane is not completely delocalized in the fermionic directions a new atypical class of branes arises. We give an example of these new branes and show for type I supergroups and trivial gluing conditions that they can be naturally associated with atypical representations of the affine Lie superalgebra.

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