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NONLINEAR CORRECTION TO STARK LADDERS
ZHAO, XG; ZHAO, XG , ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA.
1994
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
ISSN1001-6511
卷号37期号:1页码:81-86
摘要The problem of a band electron in a crystal with alternating hoppings is investigated in the presence of a uniform electric field. Exact solutions for the energy spectrum and the wave functions are obtained with the help of SU(2) symmetry. It is found that the energy spectrum contains all orders of the reciprocal of the applied electric field besides the usual Stark ladders. A theoretical analysis shows that in the weak field regime, such nonlinear terms will dominate the localization behavior of the band electron. Only in the strong field regime can the Wannie-Stark localization be observed manifestly. The onset magnitude of the electric field strength for the occurrence of the Wannie-Stark localization is about 2 x 10(5)V/m for common semiconductor superlattices, which is consistent with experimental observations.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Uniform Electric-field Bloch Electron Superlattices Localization
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11972
专题理论物理所SCI论文
通讯作者ZHAO, XG , ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA.
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GB/T 7714
ZHAO, XG,ZHAO, XG , ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA.. NONLINEAR CORRECTION TO STARK LADDERS[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,1994,37(1):81-86.
APA ZHAO, XG,&ZHAO, XG , ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA..(1994).NONLINEAR CORRECTION TO STARK LADDERS.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,37(1),81-86.
MLA ZHAO, XG,et al."NONLINEAR CORRECTION TO STARK LADDERS".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 37.1(1994):81-86.
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