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MOTION OF BLOCH ELECTRONS IN TIME-DEPENDENT ELECTRIC-FIELDS WITH OFF-DIAGONAL EFFECTS
ZHAO, XG; ZHAO, XG , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
1992
发表期刊PHYSICS LETTERS A
ISSN0375-9601
卷号167期号:3页码:291-294
摘要Taking into account the off-diagonal matrix elements of the position operator, the motion of Bloch electrons in a one-dimensional lattice under the action of an arbitrary time-dependent electric field is investigated. The exact solutions for the evolution amplitudes and the mean-square displacement are obtained in the case of a one-band approximation. The evolution behavior of Bloch electrons in several types of electric fields is discussed. It has been found that the off-diagonal matrix elements of the position operator only quantitatively affect the dynamic localization and delocalization of Bloch electrons previously obtained without considering this effect.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Tightly Bound Electrons Dynamic Localization Charged-particle
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12147
专题理论物理所SCI论文
通讯作者ZHAO, XG , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
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ZHAO, XG,ZHAO, XG , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. MOTION OF BLOCH ELECTRONS IN TIME-DEPENDENT ELECTRIC-FIELDS WITH OFF-DIAGONAL EFFECTS[J]. PHYSICS LETTERS A,1992,167(3):291-294.
APA ZHAO, XG,&ZHAO, XG , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1992).MOTION OF BLOCH ELECTRONS IN TIME-DEPENDENT ELECTRIC-FIELDS WITH OFF-DIAGONAL EFFECTS.PHYSICS LETTERS A,167(3),291-294.
MLA ZHAO, XG,et al."MOTION OF BLOCH ELECTRONS IN TIME-DEPENDENT ELECTRIC-FIELDS WITH OFF-DIAGONAL EFFECTS".PHYSICS LETTERS A 167.3(1992):291-294.
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