Abstract
We present the complete family of solutions of 3D gravity (Λ < 0) with two asymptotically AdS exterior regions. The solutions are constructed from data at the two boundaries, which correspond to two independent and arbitrary stress tensors T R , \( {\overset{-}{T}}_R \), and T L , \( {\overset{-}{T}}_L \). The two exteriors are smoothly joined on to an interior region through a regular horizon. We find CFT duals of these geometries which are entangled states of two CFT’s. We compute correlators between general operators at the two boundaries and find perfect agreement between CFT and bulk calculations. We calculate and match the CFT entanglement entropy (EE) with the holographic EE which involves geodesics passing through the wormhole. We also compute a holographic, non-equilibrium entropy for the CFT using properties of the regular horizon. The construction of the bulk solutions here uses an exact version of Brown-Henneaux type diffeomorphisms which are asymptotically nontrivial and transform the CFT states by two independent unitary operators on the two sides. Our solutions provide an infinite family of explicit examples of the ER=EPR relation of Maldacena and Susskind [1].
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Mandal, G., Sinha, R. & Sorokhaibam, N. The inside outs of AdS3/CFT2: exact AdS wormholes with entangled CFT duals. J. High Energ. Phys. 2015, 36 (2015). https://doi.org/10.1007/JHEP01(2015)036
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DOI: https://doi.org/10.1007/JHEP01(2015)036