Photon-assisted electronic structure and transport for a quantum dot
文献类型：期刊论文
| 作者 | W. H. Liao ; Q. X. Gao ; G. H. Zhou |
| 刊名 | Chinese Physics
 |
| 出版日期 | 2007 |
| 卷号 | 16期号:7页码:2106-2110 |
| 关键词 | quantum dot laser field density of states nonequilibrium Green functions tunneling current excited-state ground-state laser-field side-band wire well superlattices gan |
| ISSN号 | 1009-1963 |
| 中文摘要 | This paper investigates theoretically the electronic structure and transport of a two-level quantum dot irradiated under a strong laser field at low temperatures. Using the method of Keldysh equation of motion for nonequilibrium Green functions, it examines the time-averaged density of states and conductance for the system with photon polarization parallel with and perpendicular to the tunnelling current direction respectively. It is demonstrated that, by analysing some numerical examples, more photon sidebands resonance states and multi- and single-photon transitions are found when diagonal matrix elements dominate the interaction, while the electronic transitions due to multiphoton absorption are more or less suppressed when off-diagonal interaction dominates. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/33674]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | W. H. Liao,Q. X. Gao,G. H. Zhou. Photon-assisted electronic structure and transport for a quantum dot[J]. Chinese Physics,2007,16(7):2106-2110. |
| APA | W. H. Liao,Q. X. Gao,&G. H. Zhou.(2007).Photon-assisted electronic structure and transport for a quantum dot.Chinese Physics,16(7),2106-2110. |
| MLA | W. H. Liao,et al."Photon-assisted electronic structure and transport for a quantum dot".Chinese Physics 16.7(2007):2106-2110. |
入库方式： OAI收割
来源：金属研究所
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