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Optimal conclusive discrimination of two states can be achieved locally

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arxiv quant-ph/0407120 v1 pith:APAT5CHI submitted 2004-07-15 quant-ph

Optimal conclusive discrimination of two states can be achieved locally

classification quant-ph
keywords conclusivediscriminationstatesachievedachievesarbitraryconstructsglobal
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This paper constructs a LOCC protocol that achieves the global optimality in conclusive discrimination of any two states with arbitrary a priori probability. This can be interpreted that there is no ``non-locality'' in the conclusive discrimination of two multipartite states.

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