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Bayes' theorem and quantum retrodiction

Barnett, S.M. and Pegg, D.T. and Jeffers, J. (2000) Bayes' theorem and quantum retrodiction. Journal of Modern Optics, 47 (11). pp. 1779-1789. ISSN 0950-0340

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    Abstract

    We derive on the basis of Bayes' theorem a simple but general expression for the retrodicted premeasurement state associated with the result of any measurement. The retrodictive density operator is the normalized probability operator measure element associated with the result. We examine applications to quantum optical cryptography and to the optical beam splitter.

    Item type: Article
    ID code: 5841
    Keywords: physics, optics, Bayes' theorem, quantum retrodiction, Optics. Light, Atomic and Molecular Physics, and Optics
    Subjects: Science > Physics > Optics. Light
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Miss Darcy Spiller
    Date Deposited: 29 Apr 2008
    Last modified: 05 Sep 2014 13:11
    URI: http://strathprints.strath.ac.uk/id/eprint/5841

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