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Partial factorization of wave functions for a quantum dissipative system
Sun, CP; Gao, YB; Dong, HF; Zhao, SR; Sun, CP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
1998
发表期刊PHYSICAL REVIEW E
ISSN1063-651X
卷号57期号:4页码:3900-3904
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.
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
学科领域Physics
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收录类别SCI
WOS记录号WOS:000073070500032
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12331
专题理论物理所SCI论文
通讯作者Sun, CP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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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.
APA Sun, CP,Gao, YB,Dong, HF,Zhao, SR,&Sun, CP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1998).Partial factorization of wave functions for a quantum dissipative system.PHYSICAL REVIEW E,57(4),3900-3904.
MLA Sun, CP,et al."Partial factorization of wave functions for a quantum dissipative system".PHYSICAL REVIEW E 57.4(1998):3900-3904.
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