On Distinguishability of Black Hole Microstates

Abstract

We use the Holevo information to estimate distinguishability of microstates of a black hole in anti-de Sitter space by measurements one can perform on a subregion of a Cauchy surface of the dual conformal field theory. We find that microstates are not distinguishable at all until the subregion reaches a certain size and that perfect distinguishability can be achieved before the subregion covers the entire Cauchy surface. We will compare our results with expectations from the entanglement wedge reconstruction, tensor network models, and the bit threads interpretation of the Ryu-Takayanagi formula.

12 pages, 3 figures, Correction added to section 3 and references added

References in corpus (3)

• Causality & holographic entanglement entropy
• Holographic Entanglement Entropy from 2d CFT: Heavy States and Local Quenches
• Code properties from holographic geometries

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