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题名: Threshold for nonthermal stabilization of open quantum systems
作者: Cai, CY ;  Yang, LP ;  Sun, CP
刊名: PHYSICAL REVIEW A
出版日期: 2014
卷号: 89, 期号:1, 页码:12128
关键词: DISSIPATIVE SYSTEM ;  DYNAMICS
学科分类: Physics
DOI: 10.1103/PhysRevA.89.012128
通讯作者: Cai, CY (reprint author), Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Cai, C. Y.; Yang, Li-Ping; Sun, C. P.] Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Cai, C. Y.; Yang, Li-Ping; Sun, C. P.] Univ Chinese Acad Sci, Beijing 100190, Peoples R China; [Sun, C. P.] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China
英文摘要: We generally study whether or not the information of open quantum systems would be totally erased by their surrounding environments in thermalization processes. A complex system composed of a harmonic oscillator and its environment is studied. When the interaction spectral density contains zero-value regions, there is a threshold of system-bath coupling, eta(c), above which the initial information of the system partially remains. We estimated this threshold by the properties of the system and its bath, i.e., the density of the environment states. Thus, its long-time stabilization deviates from the usual thermalization. This nonthermal stabilization happens as a non-Markovian effect.
资助者: NSFC [10974209, 10935010]; National 973 Program [2012CB922104]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000332214000002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15495
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Cai, CY,Yang, LP,Sun, CP. Threshold for nonthermal stabilization of open quantum systems[J]. PHYSICAL REVIEW A,2014,89(1):12128.
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