Hayden-Preskill decoding from noisy Hawking radiation

A bstract In the Hayden-Preskill thought experiment, the Hawking radiation emitted before a quantum state is thrown into the black hole is used along with the radiation collected later for the purpose of decoding the quantum state. A natural question is how the recoverability is affected if the stor...

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Bibliographic Details
Published in:The journal of high energy physics 2021-02, Vol.2021 (2), p.1-22, Article 17
Main Authors: Bao, Ning, Kikuchi, Yuta
Format: Article
Language:English
Subjects:
Black Holes
Classical and Quantum Gravitation
Elementary Particles
Experiments
Hawking radiation
High energy physics
Hilbert space
Laboratories
Noise
NUCLEAR PHYSICS AND RADIATION PHYSICS
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Radiation
Radiation damage
Random Systems
Recoverability
Regular Article - Theoretical Physics
Relativity Theory
String Theory
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Summary:A bstract In the Hayden-Preskill thought experiment, the Hawking radiation emitted before a quantum state is thrown into the black hole is used along with the radiation collected later for the purpose of decoding the quantum state. A natural question is how the recoverability is affected if the stored early radiation is damaged or subject to decoherence, and/or the decoding protocol is imperfectly performed. We study the recoverability in the thought experiment in the presence of decoherence or noise in the storage of early radiation.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP02(2021)017