AdS/CFT dualities involving large 2d N=4 superconformal symmetry
Jan de Boer, Andrea Pasquinucci, Kostas Skenderis
Abstract
We study the duality between string theory on AdS3 X S3 X S3 and two-dimensional conformal theories with large N=4 superconformal algebra Agamma. We discuss configurations of intersecting branes which give rise to such near-horizon geometries. We compute the Kaluza-Klein spectrum and propose that the boundary superconformal theory can be described by a sigma model on a suitable symmetric product space with a particular choice of anti-symmetric two-form.
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