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arxiv: quant-ph/0411127 · v2 · submitted 2004-11-18 · 🪐 quant-ph

Concurrence of mixed multi-partite quantum states

classification 🪐 quant-ph
keywords quantumconcurrencemixedmulti-partitearbitrarycorrelationsdistinctdistinguish
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We propose generalizations of concurrence for multi-partite quantum systems that can distinguish qualitatively distinct quantum correlations. All introduced quantities can be evaluated efficiently for arbitrary mixed sates.

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