Effects of hydrogen-like impurity and electromagnetic field on quantum transition of an electron in a Gaussian potential with QD thickness
文献类型：期刊论文
| 作者 | Xin, Wei; Zhao, Yu-Wei; Sudu; Eerdunchaolu |
| 刊名 | SUPERLATTICES AND MICROSTRUCTURES
 |
| 出版日期 | 2018-05-01 |
| 卷号 | 117页码:220-227 |
| 关键词 | Quantum dot Hydrogen-like impurity Thickness effectt Asymmetric gaussian potential Quantum transition |
| ISSN号 | 0749-6036 |
| 文献子类 | Article |
| 英文摘要 | Considering Hydrogen-like impurity and the thickness effect, the eigenvalues and eigen-functions of the electronic ground and first exited states in a quantum dot (QD) are derived by using the Lee-Low-Pins-Pekar variational method with the harmonic and Gaussian potentials as the transverse and longitudinal confinement potentials, respectively. A two-level system is constructed on the basis of those two states, and the electronic quantum transition affected by an electromagnetic field is discussed in terms of the two-level system theory. The results indicate the Gaussian potential reflects the real confinement potential more accurately than the parabolic one; the influence of the thickness of the QD on the electronic transition probability is interesting and significant, and cannot be ignored; the electronic transition probability Gamma is influenced significantly by some physical quantities, such as the strength of the electron-phonon coupling alpha, the electric-field strength F, the magnetic-field cyclotron frequency omega(c), the barrier height V-0 and confinement range L of the asymmetric Gaussian potential, suggesting the transport and optical properties of the QD can be manipulated further though those physical quantities. (C) 2018 Elsevier Ltd. All rights reserved. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/40933]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 通讯作者 | Eerdunchaolu |
| 推荐引用方式 GB/T 7714 | Xin, Wei,Zhao, Yu-Wei,Sudu,et al. Effects of hydrogen-like impurity and electromagnetic field on quantum transition of an electron in a Gaussian potential with QD thickness[J]. SUPERLATTICES AND MICROSTRUCTURES,2018,117:220-227. |
| APA | Xin, Wei,Zhao, Yu-Wei,Sudu,&Eerdunchaolu.(2018).Effects of hydrogen-like impurity and electromagnetic field on quantum transition of an electron in a Gaussian potential with QD thickness.SUPERLATTICES AND MICROSTRUCTURES,117,220-227. |
| MLA | Xin, Wei,et al."Effects of hydrogen-like impurity and electromagnetic field on quantum transition of an electron in a Gaussian potential with QD thickness".SUPERLATTICES AND MICROSTRUCTURES 117(2018):220-227. |
入库方式： OAI收割
来源：生态环境研究中心
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。