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ZHAO, XG; ZHAO, XG , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
STARK LADDERS OF THE 2-BAND APPROXIMATION
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
KeywordElectric-field Superlattices Localization States
AbstractThe problem of Bloch electrons in infinite crystals under the influence of an electric field is investigated with the interband coupling being taken into account. Of special interest is the case of the two-band approximation. Exact solutions for the energy spectrum and the wave functions are obtained by using perturbation theory for the case of weak interband coupling, and it is shown that the energy spectrum is that of two interspaced Stark ladders. Since the spectrum contains, in addition to a linear term of the applied electric field, the reciprocal of the applied electric field to all orders, it implies that the Stark regime will appear sharp for greater values of the external field. For the zero-order case of the perturbation theory, the exact Wannier-Stark localization holds.
1992
ISSN0953-8984
Volume4Issue:28Pages:L383-L387
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12149
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZHAO, XG , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
ZHAO, XG,ZHAO, XG , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. STARK LADDERS OF THE 2-BAND APPROXIMATION[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,1992,4(28):L383-L387.
APA ZHAO, XG,&ZHAO, XG , CHINESE CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1992).STARK LADDERS OF THE 2-BAND APPROXIMATION.JOURNAL OF PHYSICS-CONDENSED MATTER,4(28),L383-L387.
MLA ZHAO, XG,et al."STARK LADDERS OF THE 2-BAND APPROXIMATION".JOURNAL OF PHYSICS-CONDENSED MATTER 4.28(1992):L383-L387.
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