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题名: Partial factorization of wave functions for a quantum dissipative system
作者: Sun, CP ;  Gao, YB ;  Dong, HF ;  Zhao, SR
刊名: PHYSICAL REVIEW E
出版日期: 1998
卷号: 57, 期号:4, 页码:3900-3904
学科分类: Physics
通讯作者: Sun, CP , 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; Beijing Polytech Univ, Dept Phys, Beijing 100022, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China; Univ Western Ontario, Dept Appl Math, London, ON N6A 5B7, Canada
英文摘要: In this paper, a microscopic approach treating the quantum dissipation process presented by Yu and Sun [Phys. Rev. A 49, 592 (1994); 51, 1845 (1995)] is developed to analyze the wave function structure;for the dynamic evolution of a typical dissipative system-a single-mode boson soaked in a bath of many bosons. The wave function of the total system is explicitly obtained as a product of two components of the system and bath in a coherent state representation. It not only describes the influence of the bath on the variable of the system through the Brownian motion, but also manifests the back-action of the system on the bath and the mutual interaction among the bosons of bath. Due to the back-action, the total wave function can only be;partially factorizable even if the Brownian motion can be completely ignored in certain cases, e.g., weak coupling and large detuning. The semiclassical implication of the back-action, the mutual interaction, and the Brownian motion in the present model are also discussed by considering the wave packet evolution of the dissipative system in the coordinate representation.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000073070500032
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12331
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:
Sun, CP,Gao, YB,Dong, HF,et al. Partial factorization of wave functions for a quantum dissipative system[J]. PHYSICAL REVIEW E,1998,57(4):3900-3904.
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