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Separability of Pure States and Mixed States of the Quantum Network of Two Nodes

Separability of Pure States and Mixed States of the Quantum Network of Two Nodes
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摘要 This article discusses the separability of the pure states and mixed states of the quantum network of two nodes by means of the criterion of no entanglement in terms of the covariance correlation tensor in quantum network theory, i.e. for a composite system consisting of two nodes. The covariance correlation tensor is equal to zero for all possible and .
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2003年第4期421-424,共4页 理论物理通讯(英文版)
关键词 covariance correlation tensor in quantum network theory criterion of no entanglement pure state mixed state 量子网络 节点 量子论 协方差相关张量 单一状态 混合状态 纠缠态
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