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20022011
most citedDistributed Delays Facilitate Amplitude Death of Coupled Oscillators

326 citations

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quant-ph2009★ 5 cited

A Note on Quantum Entanglement and PPT

Shao-Ming Fei, Xianqing Li-Jost

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 a…