Maximum confidence quantum measurements

Croke, S. , Andersson, E., Barnett, S.M. , Gilson, C.R. and Jeffers, J. (2006) Maximum confidence quantum measurements. Physical Review Letters, 96(7), 070401. (doi: 10.1103/PhysRevLett.96.070401)

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We consider the problem of discriminating between states of a specified set with maximum confidence. For a set of linearly independent states unambiguous discrimination is possible if we allow for the possibility of an inconclusive result. For linearly dependent sets an analogous measurement is one which allows us to be as confident as possible that when a given state is identified on the basis of the measurement result, it is indeed the correct state.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Barnett, Professor Stephen and Gilson, Dr Claire and Croke, Dr Sarah
Authors: Croke, S., Andersson, E., Barnett, S.M., Gilson, C.R., and Jeffers, J.
Subjects:Q Science > QA Mathematics
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN (Online):1079-7114

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