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Zhang, AZ; Zhang, P; Duan, SQ; Zhao, XG; Liang, JQ; Zhang, AZ , Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China.
Dynamics of a superlattice with an impurity in a dc-ac electric field
Source PublicationPHYSICS LETTERS A
KeywordStark Ladders Localization Lattices Time
AbstractWithin 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.
2002
ISSN0375-9601
Volume292Issue:41004Pages:275-280
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13617
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhang, AZ , Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China.
Recommended Citation
GB/T 7714
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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