Cross-boundary entanglement thread flux in a planar BTZ wormhole is computed explicitly (Eq. 53) and shown to integrate to the standard thermal entropy density.
Tensor Network Models of Multiboundary Wormholes
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abstract
We study the entanglement structure of states dual to multiboundary wormhole geometries using tensor network models. Perfect and random tensor networks tiling the hyperbolic plane have been shown to provide good models of the entanglement structure in holography. We extend this by quotienting the plane by discrete isometries to obtain models of the multiboundary states. We show that there are networks where the entanglement structure is purely bipartite, extending results obtained in the large temperature limit. We analyse the entanglement structure in a range of examples.
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The holographic entanglement pattern of BTZ planar black hole from a thread perspective
Cross-boundary entanglement thread flux in a planar BTZ wormhole is computed explicitly (Eq. 53) and shown to integrate to the standard thermal entropy density.