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Interference of quantum channels

Oi, Daniel K.L. (2003) Interference of quantum channels. Physical Review Letters, 91 (6). -. ISSN 0031-9007

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Abstract

We show how interferometry can be used to characterize certain aspects of general quantum processes and, in particular, the coherence of completely positive maps. We derive a measure of coherent fidelity, the maximum interference visibility, and the closest unitary operator to a given physical process under this measure.

Item type: Article
ID code: 10154
Keywords: interferometry, quantum processes, coherent fidelity, Physics, Physics and Astronomy(all)
Subjects: Science > Physics
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 27 Oct 2011 20:05
    Last modified: 04 Sep 2014 19:22
    URI: http://strathprints.strath.ac.uk/id/eprint/10154

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