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Entanglement of Purification and Multiboundary Wormhole Geometries · Around

2018

Entanglement of Purification and Multiboundary Wormhole Geometries

Bao, Ning, Chatwin-Davies, Aidan, Remmen, Grant N.

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We posit a geometrical description of the entanglement of purification for subregions in a holographic CFT.

The bulk description naturally generalizes the two-party case and leads to interesting inequalities among multi-party entanglements of purification that can be geometrically proven from the conjecture.
Further, we study the relationship between holographic entanglements of purification in locally-AdS3 spacetimes and entanglement entropies in multi-throated wormhole geometries constructed via quotienting by isometries.
In particular, we derive new holographic inequalities for geometries that are locally AdS3 relating entanglements of purification for subregions and entanglement entropies in the wormhole geometries.

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