Worldsheet traversable wormholes

Abstract

We construct worldsheet traversable wormholes by considering the effects of a double-trace deformation, $\delta \mathcal{L}\sim h\partial {\varphi }_L\partial {\varphi }_R$, coupling the endpoints of an open string in AdS space. The operator deforming the theory is irrelevant and makes the boundaries bend inward toward the IR. This effect, reminiscent of two-dimensional dilaton gravities, renders the teleportation protocol more efficient and facilitates the transfer of information between the members of the dual Bell pair. We compare our results with those obtained with the standard double-trace deformation, $\delta \mathcal{L}\sim h{\varphi }_L{\varphi }_R$, introduced by Gao, Jafferis and Wall.

34 pages, multiple figures. v2: minor additions and references updated. Matches JHEP version

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• Entanglement in a holographic Schwinger pair with confinement
• Charged traversable wormholes: charge without charge
• Position dependence of the holographic entanglement entropy for an accelerating quark-antiquark pair