Publication: The spectrum of strings on warped AdS3 × S3
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Date
2013
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Springer Nature
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Azeyanagi, Tatsuo, Diego M. Hofman, Wei Song, and Andrew Strominger. 2013. “The Spectrum of Strings on Warped AdS3 × S3.” Journal of High Energy Physics 2013 (4) (April). doi:10.1007/jhep04(2013)078.
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Abstract
String theory on NS-NS AdS3×S 3 admits an exactly marginal deformation which breaks the SL(2, R)R × SL(2, R)L isometry of AdS3 down to SL(2, R)R × U(1)L. The holographic dual is an exotic and only partially understood type of two-dimensional CFT with a reduced unbroken global conformal symmetry group. In this paper we study the deformed theory on the string worldsheet. It is found to be related by a spectral flow which is nonlocal in spacetime to the undeformed worldsheet theory. An exact formula for the spectrum of massive strings is presented.
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