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Roy, Shubho R.; Sarkar, Debajyoti (2017): Holographic bulk reconstruction with alpha ' corrections. In: Physical Review D, Vol. 96, No. 8, 86018
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We outline a holographic recipe to reconstruct alpha ' corrections to anti-de Sitter (AdS) (quantum) gravity from an underlying CFT in the strictly planar limit (N -> infinity). Assuming that the boundary CFT can be solved in principle to all orders of the 't Hooft coupling lambda, for scalar primary operators, the lambda(-1) expansion of the conformal dimensions can be mapped to higher curvature corrections of the dual bulk scalar field action. Furthermore, for the metric perturbations in the bulk, the AdS/CFT operator-field isomorphism forces these corrections to be of the Lovelock type. We demonstrate this by reconstructing the coefficient of the leading Lovelock correction, also known as the Gauss-Bonnet term in a bulk AdS gravity action using the expression of stress-tensor two-point function up to subleading order in lambda(-1).