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Symmetry-breaking boundary states for WZW models | | Daniel Blakeley
; Andreas Recknagel
; | | Date: |
8 May 2007 | | Subject: | High Energy Physics - Theory (hep-th) | | Abstract: | Starting with the SU(2)_k WZW model, we construct boundary states that
generically preserve only a parafermion times Virasoro subalgebra of the full
affine Lie algebra symmetry of the bulk model. The boundary states come in
families: intervals for generic k, quotients of SU(2) by discrete groups if k
is a square. In that case, special members of the families can be viewed as
superpositions of rotated Cardy branes. Using embeddings of SU(2) into higher
groups, the new boundary states can be lifted to symmetry-breaking branes for
other WZW models. | | Source: | arXiv, arxiv.0705.1068 | | Services: | Forum | Review | PDF | Favorites | |
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