Distinguishability of the Bell states

Details Distinguishability of the Bell states Distinguishability of the Bell states

2001-06-26

arxiv.org/abs/quant-ph/0106148v2

Physics

Quantum Physics

3 Pages Latex, references added, minor changes

Scientific paper

10.1103/PhysRevLett.87.277902

More than two multipartite orthogonal states cannot always be discriminated (with certainty) if only local operations and classical communication (LOCC) are allowed. Using an existing inequality among the measures of entanglement, we show that any three Bell states cannot be discriminated by LOCC. Exploiting the inequality, we calculate the distillable entanglement of a certain class of (4\otimes 4) mixed states.

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