1204.3688 (Shijong Ryang)
Shijong Ryang
We consider a non-extremal three-point correlator of three heavy vertex operators for the circular winding string state with one large spin and one windining number in AdS5 and one large spin and one winding number in S5. We use a particular Schwarz-Christoffel transformation presented by Buchbinder and Tseytlin in arXiv:1110.5621 to compute semiclassically the three-point correlator on a stationary string trajectory which is mapped to the complex plane with three punctures. It becomes a 4d conformal invariant three-point correlator on the boundary. We discuss the marginality condition of vertex operator.
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http://arxiv.org/abs/1204.3688
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