LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS
文献类型:期刊论文
作者 | ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.; NIU, Q; ZHAO, XG |
刊名 | PHYSICS LETTERS A
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出版日期 | 1994 |
卷号 | 191期号:40910页码:181-184 |
关键词 | Dynamic Localization Stark Localization Charged-particle Bloch Electrons Superlattices Oscillations |
ISSN号 | 0375-9601 |
英文摘要 | The 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). |
学科主题 | Physics |
URL标识 | 查看原文 |
公开日期 | 2012-08-29 |
源URL | [http://ir.itp.ac.cn/handle/311006/11867] ![]() |
专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
通讯作者 | ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA. |
推荐引用方式 GB/T 7714 | ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.,NIU, Q,ZHAO, XG. LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS[J]. PHYSICS LETTERS A,1994,191(40910):181-184. |
APA | ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.,NIU, Q,&ZHAO, XG.(1994).LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS.PHYSICS LETTERS A,191(40910),181-184. |
MLA | ZHAO, XG , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.,et al."LOCALIZATION OF BAND ELECTRONS IN DC-AC ELECTRIC-FIELDS".PHYSICS LETTERS A 191.40910(1994):181-184. |
入库方式: OAI收割
来源:理论物理研究所
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