Interference of quantum channels

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Oi, Daniel K.L. (2003) Interference of quantum channels. Physical Review Letters, 91 (6). 067902. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.91.067902)

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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.

ORCID iDs

Oi, Daniel K.L. ORCID logoORCID: https://orcid.org/0000-0003-0965-9509;
  • Item type:Article
    ID code:10154
    Dates:
    Date
    Event
    8 August 2003
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:27 Oct 2011 19:05
    Last modified:11 Nov 2024 08:56
    URI:https://strathprints.strath.ac.uk/id/eprint/10154
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