Optimum Unambiguous Discrimination Between Linearly Independent Symmetric States

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

References in corpus (3)

• Concentrating Partial Entanglement by Local Operations
• Probabilistic cloning and identification of linearly independent quantum states
• Unambiguous Discrimination Between Linearly-Independent Quantum States

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