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arxiv: quant-ph/0308159 · v1 · submitted 2003-08-28 · 🪐 quant-ph

Separability and entanglement in 2x3xN composite quantum systems

classification 🪐 quant-ph
keywords quantumcompositeentanglementotimesseparabilitystatessystemsinvestigated
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The separability and entanglement of quantum mixed states in $\Cb^2 \otimes \Cb^3 \otimes \Cb^N$ composite quantum systems are investigated. It is shown that all quantum states $\rho$ with positive partial transposes and rank $r(\rho)\leq N$ are separable.

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