A Note on Quantum Entanglement and PPT
classification
🪐 quant-ph
keywords
statesquantumbipartiteclasscriterionentanglementmixednecessary
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We study quantum states for which the PPT criterion is both sufficient and necessary for separability. We present a class of 3x3 bipartite mixed states and show that these states are separable if and only if they are PPT.
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