Qubit state discrimination

Matthieu E. Deconinck, Barbara M. Terhal

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)


We show how one can solve the problem of discriminating between qubit states. We use the quantum state discrimination duality theorem and the Bloch sphere representation of qubits, which allows for an easy geometric and analytical representation of the optimal guessing strategies.

Original languageEnglish
Article number062304
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number6
Publication statusPublished - 2010
Externally publishedYes


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