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Stochastic simulation of quantum dissipative dynamics
Zhou, Y; Yan, Y; Shao, J
刊名EUROPHYSICS LETTERS
2005-11-01
DOI10.1209/epl/i2005-10262-4
72期:3页:334-340
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
关键词[WOS]2-STATE SYSTEM ; EQUATIONS ; FIELDS
英文摘要As a system can be separated from its heat bath via a decoupling scheme based on the Hubbard-Stratonovich transformation, the quantum dissipative dynamics is exactly described by the average of the random system moving in the stochastic field induced by the bath. As a test of this stochastic formalism, a direct numerical implementation is employed to simulate the spontaneous decay of a two-state atom. In contrast, the validity of a deterministic algorithm based on the stochastic scheme is investigated. Moreover, a mixed random-deterministic approach is established and its efficiency is exemplified by studying the exact dynamics for the spin-boson model at zero temperature.
语种英语
WOS记录号WOS:000233556300002
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被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139788
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
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Zhou, Y,Yan, Y,Shao, J. Stochastic simulation of quantum dissipative dynamics[J]. EUROPHYSICS LETTERS,2005,72(3):334-340.
APA Zhou, Y,Yan, Y,&Shao, J.(2005).Stochastic simulation of quantum dissipative dynamics.EUROPHYSICS LETTERS,72(3),334-340.
MLA Zhou, Y,et al."Stochastic simulation of quantum dissipative dynamics".EUROPHYSICS LETTERS 72.3(2005):334-340.
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