Conformal Sigma-Models on Supercoset Targets

Details Conformal Sigma-Models on Supercoset Targets Conformal Sigma-Models on Supercoset Targets

2005-12-20

arxiv.org/abs/hep-th/0512250v3

Nucl.Phys.B745:109-122,2006

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, corrected footnote 4 and minor typos, added references

Scientific paper

10.1016/j.nuclphysb.2006.02.027

We investigate the quantum behaviour of sigma models on coset superspaces G/H defined by Z_{2n} gradings of G. We find that, whenever G has vanishing Killing form, there is a choice of WZ term which renders the model quantum conformal, at least to one loop. The choice coincides with that for which the model is known to be classically integrable. This generalizes results for models associated to Z_4 gradings, including IIB superstrings in AdS_5\times S^5.

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