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题名: Manipulation of band electrons with a rectangular-wave electric field
作者: Zhu, MJ ;  Zhao, XG ;  Niu, Q
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
出版日期: 1999
卷号: 11, 期号:23, 页码:4527-4538
关键词: WANNIER-STARK LADDERS ;  DYNAMIC LOCALIZATION ;  SEMICONDUCTOR SUPERLATTICES ;  BLOCH OSCILLATIONS ;  CHARGED-PARTICLE
学科分类: Physics
通讯作者: Zhu, MJ , Inst Appl Phys & Computat Math, POB 8009, Beijing 100080, Peoples R China.
部门归属: Inst Appl Phys & Computat Math, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Texas, Dept Phys, Austin, TX 78712 USA
英文摘要: We study the propagation of an electron in a superlattice under the action of a rectangular-wave electric field. Exact results for any initial distribution and long-range hopping couplings are obtained. Total collapse of the quasi-energy spectrum is found to take place at suitably chosen field parameters, which leads to the transition between localization and delocalization. Moreover, this localization/delocalization behaviour persists even if long-range hoppings are taken into account. The transport property of the system is also investigated where the signatures of the transition between localization and delocalization as well as fractional Wannier-Stark ladders are manifested.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000080924600010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13135
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:
Zhu, MJ,Zhao, XG,Niu, Q. Manipulation of band electrons with a rectangular-wave electric field[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,1999,11(23):4527-4538.
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