The Spectrum of Strings on Warped AdS_3 x S^3

Abstract

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.

26 pages, no figures

References in corpus (6)

• Gravity duals for non-relativistic CFTs
• Warped AdS_3 Black Holes
• Semi-classical central charge in topologically massive gravity
• Holography for Schrodinger backgrounds
• Central Charge for AdS_2 Quantum Gravity
• String Theory on Warped AdS_3 and Virasoro Resonances

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