Sufficient and necessary conditions of separability for bipartite pure states in infinite-dimensional systems

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GUO Yu QI XiaoFei HOU JinChuan Department of Mathematics Shanxi University Taiyuan China Department of Mathematics Shanxi Datong University Datong China Department of Mathematics Taiyuan University of Technology Taiyuan China [1 ,2 ,1 ,1 ,3 ,1 ,30006 ,2 ,37009 ,3 ,30024 ]
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The PHC criterion and the realignment criterion for pure states in infinite-dimensional bipartite quantum systems are given. Furthermore, several equivalent conditions for pure states to be separable are generalized to infinite-dimensional systems.
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页码:840 / 846
页数:7
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