Quantum coherence and entanglement in black hole information issue from a detector (Atom) - Field analog

B. L. Hu, Shih-Yuin Lin

Research output: Contribution to journalConference articlepeer-review


This is a synopsis of our recent work [1] on quantum entanglement, quantum coherence and information flow between a uniformly accelerated detector and a massless quantum scalar field. The availability of exact solutions to this model enables us to explore some important aspects of the black hole information issue with some quantifiable results and new insights. To the extent this model can capture the essence of quantum coherence, entanglement and information flow between a black hole and its Hawking radiation, our result seems to suggest that in the prevalent non-Markovian regime, assuming unitarity holds for the combined system which is a dictum of physical laws, that black hole information is not lost or stored in the correlations between the black hole and the quantum field but totally transferred to the quantum field degrees of freedom. This combined system would evolve into a highly entangled state between a remnant of large area (in Bekenstein's black hole atom analog) losing all information of its initial state, while the quantum field is imbued with complex information content not-so-easily retrievable by a local observer.

Original languageEnglish
JournalProceedings of Science
Publication statusPublished - 2007 Dec 1
EventFrom Quantum to Emergent Gravity: Theory and Phenomenology, QG-Ph 2007 - Trieste, Italy
Duration: 2007 Jun 112007 Jun 15

All Science Journal Classification (ASJC) codes

  • General

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