| Dimensional effects on exciton states in nanorings | |
| Zhensheng Dai ; Jia-Lin Zhu | |
| 2010-10-12 ; 2010-10-12 | |
| 关键词 | Theoretical or Mathematical/ binding energy effective mass excitons nanostructured materials/ dimensional effects exciton states nanorings effective-mass approximation binding energy Coulomb interaction/ A7320D Electron states in low-dimensional structures A7135 Excitons and related phenomena A7145N Calculations of total electronic binding energy |
| 中文摘要 | Exciton states in nanorings are studied within the framework of the effective-mass approximation. The exciton level structure and binding energy in one- and two-dimensional nanorings are found to be very different at small and large radius limits. The variation of exciton energy levels with radius and width is shown. The important role of Coulomb interaction in exciton spectra is revealed. Our study is helpful for understanding the transition of exciton states from the one-dimensional case to the two-dimensional case. |
| 语种 | 英语 |
| 出版者 | IOP Publishing Ltd. ; UK |
| 内容类型 | 期刊论文 |
| 源URL | [http://hdl.handle.net/123456789/81606]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | Zhensheng Dai,Jia-Lin Zhu. Dimensional effects on exciton states in nanorings[J],2010, 2010. |
| APA | Zhensheng Dai,&Jia-Lin Zhu.(2010).Dimensional effects on exciton states in nanorings.. |
| MLA | Zhensheng Dai,et al."Dimensional effects on exciton states in nanorings".(2010). |
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