The Spectrum of Strings on Warped AdS₃ x S³
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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.
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Forward citations
Cited by 2 Pith papers
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Reformulates J bar J deformation in CFTs as a Riemann bilinear dressing that converts perturbation theory into operator dressings and modular-invariant kernel integrals on Riemann surfaces.
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Deforming ${\rm AdS}_3\times S^3\times T^4$ in Type IIB Supergravity
New supersymmetric WAdS3 × WS3 × T4 solutions in Type IIB supergravity with independent warp parameters for the AdS and sphere factors, some obtained via two TsT transformations.
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