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Better Late than Never: Information Retrieval from Black Holes

2 Pith papers cite this work. Polarity classification is still indexing.

2 Pith papers citing it
abstract

We show that, in order to preserve the equivalence principle until late times in unitarily evaporating black holes, the thermodynamic entropy of a black hole must be primarily entropy of entanglement across the event horizon. For such black holes, we show that the information entering a black hole becomes encoded in correlations within a tripartite quantum state, the quantum analogue of a one-time pad, and is only decoded into the outgoing radiation very late in the evaporation. This behavior generically describes the unitary evaporation of highly entangled black holes and requires no specially designed evolution. Our work suggests the existence of a matter-field sum rule for any fundamental theory.

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years

2026 1 2024 1

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UNVERDICTED 2

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representative citing papers

Generalised Probabilistic Theories

quant-ph · 2026-06-30 · unverdicted · novelty 2.0

The paper introduces the generalised probabilistic theories framework as a convex operational setting that represents states, transformations, and measurements and encompasses classical and quantum theories along with Bell non-locality and box world.

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Showing 2 of 2 citing papers.

  • UV Effects and Short-Lived Hawking Radiation: Alternative Resolution of Information Paradox hep-th · 2024-11-02 · unverdicted · none · ref 65 · internal anchor

    Hawking radiation terminates around the scrambling time due to trans-Planckian stringy effects in GUP and string-field-theory-inspired toy models, yielding negligible evaporation and a mostly classical black hole.

  • Generalised Probabilistic Theories quant-ph · 2026-06-30 · unverdicted · none · ref 45 · internal anchor

    The paper introduces the generalised probabilistic theories framework as a convex operational setting that represents states, transformations, and measurements and encompasses classical and quantum theories along with Bell non-locality and box world.