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Probing quantum entanglement, quantum discord, classical correlation, and the quantum state without disturbing them

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论文类型：期刊论文
发表时间：2011-01-25
发表刊物：PHYSICAL REVIEW A
收录刊物：Scopus、SCIE、EI
文献类型：J
卷号：83
期号：1
ISSN号：1050-2947
摘要：We present schemes for a type of one-parameter bipartite quantum state to probe quantum entanglement, quantum discord, the classical correlation, and the quantum state based on cavity QED. It is shown that our detection does not influence all these measured quantities. We also discuss how the spontaneous emission introduced by our probe atom influences our detection.

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