Optimum Unambiguous Discrimination Between Linearly Independent Symmetric States
arXiv:quant-ph/9807023 · doi: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.
9 pages, 2 eps figures, submitted to Physics Letters A