Supergroup - extended super Liouville correspondence

Details Supergroup - extended super Liouville correspondence Supergroup - extended super Liouville correspondence

2011-03-29

arxiv.org/abs/1103.5753v1

JHEP 1106 (2011) 063

Physics

High Energy Physics

High Energy Physics - Theory

30 pages

Scientific paper

We derive a relation between correlation functions of supergroup WZNW models and conformal field theories with extended superconformal symmetry. The supergroups considered have a bosonic subgroup of the form SL(2) x A for some Lie group A. The corresponding conformal field theory is a super Liouville field theory coupled with the WZNW model on A. An example is a correspondence between the PSU(1,1|2) WZNW model and small N=4 super Liouville field theory. The OSP(n|2) WZNW model is related to a superconformal field theory with SO(n) extended superconformal symmetry of the Knizhnik-Bershadsky type. In the case n=4 this is simply the large N=(4,4) superconformal symmetry. Besides these two examples we make a general derivation encompassing the WZNW models on supergroups SL(2|n), D(2,1;\alpha), OSP(4|2n), F(4) and G(3) and their relation to models with extended superconformal algebras as symmetry.

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