Dynamics of Renyi entropy and applications in detecting quantum non-Markovianity
Song, Hongting1; Mao, Yuanyuan2,3
Source PublicationPHYSICAL REVIEW A
AbstractExploiting the master equations in the Lindblad form, we establish a sufficient and necessary condition for a Markovian dynamics to be unital. Based on this condition, we analyze the dynamical property of quantum Renyi entropy and propose a characterization of quantum non-Markovianity for unital dynamics in terms of Renyi entropy, which contains the previous criteria of non-Markovianity via von Neumann entropy and linear entropy as particular cases. The effectiveness of this measure in capturing the backflow of information from the environment is illustrated through several typical unital dynamics.
Funding ProjectNational Natural Science Foundation of China[11605284] ; National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences[Y029152K51] ; Key Laboratory of Random Complex Structures and Data Science, Chinese Academy of Sciences[2008DP173182]
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000411160900002
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Document Type期刊论文
Corresponding AuthorSong, Hongting; Mao, Yuanyuan
Affiliation1.China Acad Space Technol, Qian Xuesen Lab Space Technol, Beijing 100094, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China
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GB/T 7714
Song, Hongting,Mao, Yuanyuan. Dynamics of Renyi entropy and applications in detecting quantum non-Markovianity[J]. PHYSICAL REVIEW A,2017,96(3):5.
APA Song, Hongting,&Mao, Yuanyuan.(2017).Dynamics of Renyi entropy and applications in detecting quantum non-Markovianity.PHYSICAL REVIEW A,96(3),5.
MLA Song, Hongting,et al."Dynamics of Renyi entropy and applications in detecting quantum non-Markovianity".PHYSICAL REVIEW A 96.3(2017):5.
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