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题名: Instantaneously dynamical response and correlation functions in independent-oscillator model
作者: Gu, JZ ;  Wu, XZ ;  Zhuo, YZ ;  Zhao, EG
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1998
卷号: 30, 期号:2, 页码:193-198
关键词: DAMPED HARMONIC-OSCILLATOR ;  QUANTUM BROWNIAN-MOTION ;  SYSTEMS ;  ENVIRONMENT
学科分类: Physics
通讯作者: Gu, JZ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst Atom Energy, Beijing 102413, Peoples R China
英文摘要: For the independent-oscillator model (IOM), the explicit expressions of the instantaneously dynamical response functions (chi(t(I) + tau, t(I)), X(t(I) + tau, t(I))) and correlation functions (phi(t(I) + tau, t(I)), Phi(t(I) + tau, t(I))) for both the system and environment are derived. It is shown that for external perturbation the environment of IOM is dynamically stable and the system is oscillatory. Although the external perturbation exists, there is still strongly temporal correlation for the system, for the environment, however, the temporal correlation quickly decays with the second time variable tau and is almost independent of the first time variable t(I), nevertheless is significantly affected by dissipation. It is shown that the environment behaves as a heat bath from the dynamical point of view.
收录类别: SCI
WOS记录号: WOS:000076017200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12261
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Gu, JZ,Wu, XZ,Zhuo, YZ,et al. Instantaneously dynamical response and correlation functions in independent-oscillator model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1998,30(2):193-198.
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