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Dynamics of a superlattice with an impurity in a dc-ac electric field
Zhang, AZ; Zhang, P; Duan, SQ; Zhao, XG; Liang, JQ; Zhang, AZ , Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China.
2002
发表期刊PHYSICS LETTERS A
ISSN0375-9601
卷号292期号:41004页码:275-280
摘要Within a single-band tight-binding model, we investigate the dynamics of a one-dimensional semiconductor superlattice with an impurity driven by a dc-ac electric field. By numerically calculating the quasienergy spectrum and the probability propagators, we find that the dynamic localization condition is not destroyed by the impurity, but the local dynamics of the system is sensitively dependent on the relation of the impurity potential, the Bloch oscillation frequency and the ac field frequency. In appropriate circumstances, the dynamics of the system is dominated by resonant oscillations between the impurity and it nearest-neighbor sites. Such an effect might find important application for generating electromagnetic radiation and systematic study of localization phenomena. (C) 2002 Published by Elsevier Science B.V.
部门归属Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst Appl Phys & Computat Math, Beijing 100080, Peoples R China
关键词Stark Ladders Localization Lattices Time
学科领域Physics
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收录类别SCI
WOS记录号WOS:000173429000011
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被引频次:6[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/311006/13617
专题理论物理所SCI论文
通讯作者Zhang, AZ , Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China.
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Zhang, AZ,Zhang, P,Duan, SQ,et al. Dynamics of a superlattice with an impurity in a dc-ac electric field[J]. PHYSICS LETTERS A,2002,292(41004):275-280.
APA Zhang, AZ,Zhang, P,Duan, SQ,Zhao, XG,Liang, JQ,&Zhang, AZ , Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China..(2002).Dynamics of a superlattice with an impurity in a dc-ac electric field.PHYSICS LETTERS A,292(41004),275-280.
MLA Zhang, AZ,et al."Dynamics of a superlattice with an impurity in a dc-ac electric field".PHYSICS LETTERS A 292.41004(2002):275-280.
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