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题名: QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH
作者: LI, XQ ;  SU, ZB ;  GONG, FZ
刊名: PHYSICAL REVIEW B
出版日期: 1994
卷号: 49, 期号:23, 页码:16277-16282
关键词: DOUBLE-WELL SYSTEMS ;  OHMIC DISSIPATION ;  ELECTRIC-FIELD ;  FINITE TEMPERATURES ;  BROWNIAN-MOTION ;  2-STATE SYSTEM ;  DIFFUSION ;  CRYSTAL ;  RATES
学科分类: Physics
通讯作者: LI, XQ , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST APPL MATH,BEIJING 100080,PEOPLES R CHINA
英文摘要: We 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.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11893
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:
LI, XQ,SU, ZB,GONG, FZ. QUANTUM DYNAMICS OF A DISSIPATIVE PARTICLE IN A CONSTANT FIELD - EXACT PATH-INTEGRAL APPROACH[J]. PHYSICAL REVIEW B,1994,49(23):16277-16282.
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