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Instantaneously dynamical response and correlation functions in independent-oscillator model
Gu, JZ; Wu, XZ; Zhuo, YZ; Zhao, EG; Gu, JZ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
1998
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号30期号:2页码:193-198
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.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst Atom Energy, Beijing 102413, Peoples R China
关键词Damped Harmonic-oscillator Quantum Brownian-motion Systems Environment
学科领域Physics
收录类别SCI
WOS记录号WOS:000076017200006
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12261
专题理论物理所1978-2010年知识产出
通讯作者Gu, JZ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
推荐引用方式
GB/T 7714
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.
APA Gu, JZ,Wu, XZ,Zhuo, YZ,Zhao, EG,&Gu, JZ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1998).Instantaneously dynamical response and correlation functions in independent-oscillator model.COMMUNICATIONS IN THEORETICAL PHYSICS,30(2),193-198.
MLA Gu, JZ,et al."Instantaneously dynamical response and correlation functions in independent-oscillator model".COMMUNICATIONS IN THEORETICAL PHYSICS 30.2(1998):193-198.
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