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On deformations of 2d SCFTs | | Urs Schreiber
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23 Dec 2003 | | Journal: | JHEP 0406 (2004) 058 | | Subject: | hep-th | | Abstract: | Motivated by the representation of the super Virasoro constraints as generalized Dirac-K{ähler constraints $(d pm d^dagger)|psi> = 0$ on loop space, examples of the most general continuous deformations $d o e^{-W} d e^W$ are considered which preserve the superconformal algebra at the level of Poisson brackets. The deformations which induce the massless NS and NS-NS backgrounds are exhibited. Hints for a manifest realization of S-duality in terms of an algebra isomorphism are discussed. It is shown how the first order theory of ’canonical deformations’ is reproduced and how the deformation operator $W$ encodes vertex operators and gauge transformations. | | Source: | arXiv, hep-th/0401175 | | Services: | Forum | Review | PDF | Favorites | |
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