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The Spectrum of Strings on Warped AdS_3 x S^3

Tatsuo Azeyanagi Harvard University Diego M. Hofman Harvard University Wei Song Tsinghua University Andrew Strominger Harvard University

Mathematical Physics mathscidoc:1702.22026

Journal of High Energy Physics, 78, 1304, 2013.4
String theory on NS-NS AdS_3 x S^3 admits an exactly marginal deformation which breaks the SL(2,R)_R x SL(2,R)_L isometry of AdS_3 down to SL(2,R)_R x 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.
Black Holes in String TheoryAdS-CFT CorrespondenceSpace-Time Symmetries
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@inproceedings{tatsuo2013the,
  title={The Spectrum of Strings on Warped AdS_3 x S^3},
  author={Tatsuo Azeyanagi, Diego M. Hofman, Wei Song, and Andrew Strominger},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170228093714594204550},
  booktitle={Journal of High Energy Physics},
  volume={78},
  pages={1304},
  year={2013},
}
Tatsuo Azeyanagi, Diego M. Hofman, Wei Song, and Andrew Strominger. The Spectrum of Strings on Warped AdS_3 x S^3. 2013. Vol. 78. In Journal of High Energy Physics. pp.1304. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170228093714594204550.
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