Optimum unambiguous discrimination between linearly independent symmetric states

Chefles, A. and Barnett, S.M. (1998) Optimum unambiguous discrimination between linearly independent symmetric states. Physics Letters A, 250 (4). pp. 223-229. ISSN 0375-9601 (http://dx.doi.org/10.1016/S0375-9601(98)00827-5)

Abstract

The quantum formalism permits one to discriminate sometimes between any set of linearly independent pure states with certainty. We obtain the maximum probability with which a set of equally likely, symmetric, linearly independent states can be discriminated. The form of this bound is examined for symmetric coherent states of a harmonic oscillator or field mode.

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• Item metadata

  Item type:	Article
  ID code:	5839
  Dates:	Date Event December 1998 Published
  Subjects:	Science > Physics > Solid state physics. Nanoscience
  Department:	Unknown Department Faculty of Science > Physics
  Depositing user:	Miss Darcy Spiller
  Date deposited:	18 Apr 2008
  Last modified:	14 Nov 2024 21:45
  Related URLs:	http://arxiv.org/PS_cache/quant-ph/pdf/9...
  URI:	https://strathprints.strath.ac.uk/id/eprint/5839