Master equation for retrodiction of quantum communication signals

M. Barnett, Stephen; Pegg, David; Jeffers, John; Jedrkiewicz, Ottavia

doi:10.1103/PhysRevLett.86.2455

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2001

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Abstract

We derive the master equation that governs the evolution of the measured state backwards in time in an open system. This allows us to determine probabilities for a given set of preparation events from the results of subsequent measurements, which has particular relevance to quantum communication.We derive the master equation that governs the evolution of the measured state backwards in time in an open system. This allows us to determine probabilities for a given set of preparation events from the results of subsequent measurements, which has particular relevance to quantum communication.
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Journal Title

Physical Review Letters

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http://prola.aps.org/browse/PRL

DOI

https://doi.org/10.1103/PhysRevLett.86.2455

Copyright Statement

© 2001 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.

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http://hdl.handle.net/10072/3961

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Journal articles