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Sun, CP; Gao, YB; Dong, HF; Zhao, SR; Sun, CP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Partial factorization of wave functions for a quantum dissipative system
Source PublicationPHYSICAL REVIEW E
AbstractIn 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.
1998
ISSN1063-651X
Volume57Issue:4Pages:3900-3904
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12331
Collection理论物理所科研产出_SCI论文
Corresponding AuthorSun, CP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
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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