Aharonov-Bohm oscillations and Fano resonance in a mesoscopic ring with a side-coupled quantum dot
文献类型：期刊论文
| 作者 | Xiong, Yong-Jian1; He, Zhou-Bo |
| 刊名 | MODERN PHYSICS LETTERS B
 |
| 出版日期 | 2007-11-10 |
| 卷号 | 21页码:1785-1793 |
| 关键词 | Aharonov-Bohm ring Aharonov-Bohm oscillations fano effect |
| ISSN号 | 0217-9849 |
| 英文摘要 | We calculate the transmission coefficient through an Aharonov-Bohm ring with a multi-level quantum dot side-coupled to one arm. Whenever a quantum dot level is tuned across the Fermi energy, the coupled arm is blocked for electron tunneling, namely anti-resonance. This leads to the suppression of the Aharonov-Bohm oscillations, accompanied by a phase jump of pi in the oscillations. The Aharonov-Bohm phase also changes sharply by pi in between neighboring anti-resonances due to the multi-level effect. The transmission has an expression of the generalized Fano form with a complex Fano parameter q in the presence of the Aharonov-Bohm flux. |
| WOS关键词 | SINGLE-ELECTRON TRANSISTOR ; PHASE ; TRANSPORT ; COHERENCE |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000251973200006 |
| 出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
| 源URL | [http://119.78.100.186/handle/113462/27992]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Xiong, Yong-Jian |
| 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, Yong-Jian,He, Zhou-Bo. Aharonov-Bohm oscillations and Fano resonance in a mesoscopic ring with a side-coupled quantum dot[J]. MODERN PHYSICS LETTERS B,2007,21:1785-1793. |
| APA | Xiong, Yong-Jian,&He, Zhou-Bo.(2007).Aharonov-Bohm oscillations and Fano resonance in a mesoscopic ring with a side-coupled quantum dot.MODERN PHYSICS LETTERS B,21,1785-1793. |
| MLA | Xiong, Yong-Jian,et al."Aharonov-Bohm oscillations and Fano resonance in a mesoscopic ring with a side-coupled quantum dot".MODERN PHYSICS LETTERS B 21(2007):1785-1793. |
入库方式： OAI收割
来源：近代物理研究所
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