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LI, XQ; SU, ZB; GONG, FZ; LI, XQ , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH
Source PublicationPHYSICAL REVIEW B
KeywordDouble-well Systems Ohmic Dissipation Electric-field Finite Temperatures Brownian-motion 2-state System Diffusion Crystal Rates
AbstractWe show that the dynamics of a dissipative quantum particle in a constant electric field can be solved exactly by applying the Feynman-Vernon influence-functional theory. We derive the drift velocity and its autocorrelation function as well as the fluctuation-dissipation theorem. For such a simple linear dissipative system, it is interesting to find that the drift velocity always depends on the field linearly, and the fluctuation is not influenced by the field. We also find, for the Ohmic dissipation, a t-2 power law long-time tail for the drift-velocity autocorrelation function at zero temperature.
1994
ISSN0163-1829
Volume49Issue:23Pages:16277-16282
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/11893
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLI, XQ , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
LI, XQ,SU, ZB,GONG, FZ,et al. QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH[J]. PHYSICAL REVIEW B,1994,49(23):16277-16282.
APA LI, XQ,SU, ZB,GONG, FZ,&LI, XQ , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1994).QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH.PHYSICAL REVIEW B,49(23),16277-16282.
MLA LI, XQ,et al."QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH".PHYSICAL REVIEW B 49.23(1994):16277-16282.
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