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arxiv 1812.05268 v1 pith:57CPMFFV submitted 2018-12-13 hep-th cond-mat.stat-mechquant-ph

Holographic Entanglement of Purification from Conformal Field Theories

classification hep-th cond-mat.stat-mechquant-ph
keywords entanglementholographicpurificationconformalfieldminimalpath-integralpurified
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We explore a conformal field theoretic interpretation of the holographic entanglement of purification, which is defined as the minimal area of entanglement wedge cross section. We argue that in AdS3/CFT2, the holographic entanglement of purification agrees with the entanglement entropy for a purified state, obtained from a special Weyl transformation, called path-integral optimizations. By definition, this special purified state has the minimal path-integral complexity. We confirm this claim in several examples.

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  1. Phase transitions and uberholography of holographic pure-state geometries

    hep-th 2026-07 conditional novelty 6.0

    A cross-ratio threshold relation η'/η = e^{ΔH/2} governs entanglement-wedge phase transitions on pure-state holographic geometries, and uberholography's fractal dimension α ≈ 0.786 persists on asymptotic boundaries bu...