The phase of Fano resonance in Aharonov-Bohm interferometer with a quantum dot embedded
文献类型:期刊论文
作者 | Xiong, YJ; Liang, XT |
刊名 | PHYSICA B-CONDENSED MATTER
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出版日期 | 2005-01-31 |
卷号 | 355页码:216-221 |
关键词 | Aharonov-Bohm interferometer quantum dot Fano resonance phase |
ISSN号 | 0921-4526 |
DOI | 10.1016/j.physb.2004.10.094 |
英文摘要 | We study the Fano effect of a closed Aharonov-Bohm mesoscopic interferometer, with a quantum dot embedded in one of the paths, in the presence of dephasing which is introduced by the Buttiker model. An exact analytic formula of conductance including dephasing factor is derived and can be written as an extended Fano form with a complex Fano parameter q. While the total conductance is unitary, the coherent part has broken unitarity due to dephasing, and thus has continuous phase shift. Our results agree with recent experimental measurements. (C) 2004 Elsevier B.V. All rights reserved. |
WOS关键词 | SINGLE-ELECTRON TRANSISTOR ; ARTIFICIAL ATOMS ; COHERENCE ; OSCILLATIONS |
WOS研究方向 | Physics |
语种 | 英语 |
WOS记录号 | WOS:000226733300029 |
出版者 | ELSEVIER SCIENCE BV |
源URL | [http://119.78.100.186/handle/113462/46620] ![]() |
专题 | 中国科学院近代物理研究所 |
通讯作者 | Xiong, YJ |
作者单位 | 1.Ningbo Univ, Inst Modern Phys, Ningbo 315211, Peoples R China 2.Ningbo Univ, Dept Phys, Ningbo 315211, Peoples R China |
推荐引用方式 GB/T 7714 | Xiong, YJ,Liang, XT. The phase of Fano resonance in Aharonov-Bohm interferometer with a quantum dot embedded[J]. PHYSICA B-CONDENSED MATTER,2005,355:216-221. |
APA | Xiong, YJ,&Liang, XT.(2005).The phase of Fano resonance in Aharonov-Bohm interferometer with a quantum dot embedded.PHYSICA B-CONDENSED MATTER,355,216-221. |
MLA | Xiong, YJ,et al."The phase of Fano resonance in Aharonov-Bohm interferometer with a quantum dot embedded".PHYSICA B-CONDENSED MATTER 355(2005):216-221. |
入库方式: OAI收割
来源:近代物理研究所
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