中国物理B ›› 2005, Vol. 14 ›› Issue (2): 257-262.doi: 10.1088/1009-1963/14/2/007

• GENERAL • 上一篇    下一篇

Separability criteria for multipartite quantum mixed states

赵慧   

  1. Department of Mathematics, Capital Normal University, Beijing 100037, China
  • 收稿日期:2004-04-14 修回日期:2004-09-14 出版日期:2005-03-02 发布日期:2005-03-02
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10271081) and the Natural Science Foundation of Beijing (Grant No 1042004).

Separability criteria for multipartite quantum mixed states

Zhao Hui (赵慧)   

  1. Department of Mathematics, Capital Normal University, Beijing 100037, China
  • Received:2004-04-14 Revised:2004-09-14 Online:2005-03-02 Published:2005-03-02
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10271081) and the Natural Science Foundation of Beijing (Grant No 1042004).

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摘要： The separability of mixed states in multipartite quantum systems is investigated. If a quantum state in a multipartite system with an arbitrary dimension is separable, some quantity in relation to Hermitian matrix is positive.

Abstract: The separability of mixed states in multipartite quantum systems is investigated. If a quantum state in a multipartite system with an arbitrary dimension is separable, some quantity in relation to Hermitian matrix is positive.

Key words: separability, density matrix, multipartite mixed state

中图分类号:  (Entanglement measures, witnesses, and other characterizations)

  • 03.67.Mn
03.65.Ud (Entanglement and quantum nonlocality) 03.65.Fd (Algebraic methods) 02.10.Yn (Matrix theory)