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Entanglement correlations, Bell inequalities, and the concurrence

arXiv:quant-ph/0503135 · doi:10.1016/j.physleta.2005.03.047

Abstract

Probabilities of measurement outcomes of two-particle entangled states give a physically transparent interpretation of the concurrence and of the I-concurrence as entanglement measures. The (I)-concurrence can thus be measured experimentally. The tight connection between these measures and Bell inequalities is highlighted.

Updated version of quant-ph/0110139, with extension to mixed states. To appear in Phys. Lett. A

Entanglement correlations, Bell inequalities, and the concurrence · wovepaper