On reduced models for superstrings on AdS_n x S^n

Details On reduced models for superstrings on AdS_n x S^n On reduced models for superstrings on AdS_n x S^n

2008-06-16

arxiv.org/abs/0806.2623v3

Int.J.Mod.Phys.A23:2107-2117,2008

Physics

High Energy Physics

High Energy Physics - Theory

24 pages

Scientific paper

10.1142/S0217751X08040652

We review the Pohlmeyer reduction procedure of the superstring sigma model on AdS_n x S^n leading to a gauged WZW model with an integrable potential coupled to 2d fermions. In particular, we consider the case of the Green-Schwarz superstring on AdS_3 x S^3 supported by RR flux. The bosonic part of the reduced model is given by the sum of the complex sine-Gordon Lagrangian and its sinh-Gordon counterpart. We determine the corresponding fermionic part and discuss possible existence of hidden 2d supersymmetry in the reduced action. We also elaborate on some general aspects of the Pohlmeyer reduction applied to the AdS_5 x S^5 superstring.

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