Separable State Decompositions for a Class of Mixed States
classification
🪐 quant-ph
keywords
statesclassdecompositionsmixedseparablestatebipartitecertain
read the original abstract
We study certain quantum states for which the PPT criterion is both sufficient and necessary for separability. A class of $n\times n$ bipartite mixed states is presented and the conditions of PPT for these states are derived. The separable pure state decompositions of these states are explicitly constructed when they are PPT.
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