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ZHAO, XG; NIU, Q; ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS
Source PublicationPHYSICS LETTERS A
KeywordDynamic Localization Stark Localization Charged-particle Bloch Electrons Superlattices Oscillations
AbstractThe dynamic effect of band electrons is investigated in the presence of ac and dc electric fields. The explicit solutions for the quasienergies and the Floquet states are obtained exactly in a one band approximation. The results depend on the number-theoretical property of the matching ratio omega(D)/omega, where omega is the ac frequency and omega(D) is the frequency of the Stark ladders associated with the dc field. If the matching ratio is rational, all the Floquet states are extended in general. If it is irrational, the states are exponentially localized, except for the cases where the matching ratio is extremely well approximated by rationals (i.e., a Liouville number).
1994
ISSN0375-9601
Volume191Issue:40910Pages:181-184
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/11867
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
ZHAO, XG,NIU, Q,ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS[J]. PHYSICS LETTERS A,1994,191(40910):181-184.
APA ZHAO, XG,NIU, Q,&ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1994).LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS.PHYSICS LETTERS A,191(40910),181-184.
MLA ZHAO, XG,et al."LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS".PHYSICS LETTERS A 191.40910(1994):181-184.
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