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arxiv 2209.15026 v2 pith:52RAAZ6Y submitted 2022-09-29 hep-th quant-ph

Reconstruction wedges in AdS/CFT with boundary fractallike structures

classification hep-th quant-ph
keywords boundarybulkcodeentropichighlymixedpresencereconstruction
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this work, we show the robustness of uberholography and its associated quantum error correcting code against the breakdown of entanglement wedge in the presence of highly entropic mixed states in the bulk. We show that for Cantor-set-like erasure in the boundary in $AdS_3/CFT_2$, the code distance is independent of the mixed-state entropy in the bulk in the $m\rightarrow\infty$ limit. We also show that for a Sierpinski triangle shaped boundary subregion with fractal boundary erasures in $AdS_4/CFT_3$, bulk reconstruction is possible in the presence of highly entropic mixed states in the bulk in the large $m$ regime.

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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...