Light-cone Superstring in AdS Space-time

Abstract

We consider fixing the bosonic light-cone gauge for string in AdS in the phase space framework, i.e. by choosing $x^{+}=\tau$, and by choosing $\sigma$ so that $P^{+}$ is distributed uniformly (its density is independent of $\sigma$). We discuss classical bosonic string in AdS space and superstring in AdS_5 x S^5. In the latter case the starting point is the action found in hep-th/0007036 where the kappa-symmetry is fixed by a fermionic light cone gauge. We derive the light cone Hamiltonian in the AdS_5 x S^5 case and in the case of superstring in AdS_3 x S^3. We also obtain a realization of the generators of the basic symmetry superalgebra psu(2,2|4) in terms of the AdS_5 x S^5 superstring coordinate fields.

34 pages, latex. v3: section 5.4 revised. v4: minor corrections, version to appear in NPB

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