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题名: Quantum Fisher information flow and non-Markovian processes of open systems
作者: Lu, Xiao-Ming ;  Wang, Xiaoguang ;  Sun, C. P.
刊名: PHYSICAL REVIEW A
出版日期: 2010
卷号: 82, 期号:4, 页码:-
关键词: BROWNIAN-MOTION ;  STATISTICAL DISTANCE ;  DYNAMICAL SEMIGROUPS ;  CUMULANT EXPANSIONS ;  MASTER-EQUATIONS ;  STATES
学科分类: Physics
通讯作者: Lu, XM , Zhejiang Univ, Dept Phys, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China
部门归属: [Lu, XM; Wang, XG] Zhejiang Univ, Dept Phys, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China; [Sun, CP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We establish an information-theoretic approach for quantitatively characterizing the non-Markovianity of open quantum processes. Here, the quantum Fisher information (QFI) flow provides a measure to statistically distinguish Markovian and non-Markovian processes. A basic relation between the QFI flow and non-Markovianity is unveiled for quantum dynamics of open systems. For a class of time-local master equations, the exactly analytic solution shows that for each fixed time the QFI flow is decomposed into additive subflows according to different dissipative channels.
资助者: National Natural Science Foundation of China (NSFC)[10874151, 10874091, 10935010]; National Fundamental Research Program of China (NFRPC)[2006CB921205]; Program for New Century Excellent Talents in University (NCET); Science Foundation of Chinese University
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000282677400002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5029
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Lu, Xiao-Ming,Wang, Xiaoguang,Sun, C. P.. Quantum Fisher information flow and non-Markovian processes of open systems[J]. PHYSICAL REVIEW A,2010,82(4):-.
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