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Spacetime supersymmetry in AdS3 backgrounds

David Berenstein, Robert G. Leigh

hep-tharXiv:hep-th/9904040

Abstract

We construct string target spacetimes with AdS3 x X geometry, which have an N=2 spacetime superconformal algebra. X is found to be a U(1) fibration over a manifold which is a target for an N=2 worldsheet conformal field theory. We emphasize theories with free field realizations where in principle it is possible to compute the full one-particle string spectrum.

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