Hybrid-impurity resonances in anisotropic quantum dots

被引：17
|
作者：
Margulis, V. A. [1 ]
Shorokhov, A. V. [1 ]
机构：
[1] Mordovian NP Ogarev State Univ, Inst Phys & Chem, Saransk 430000, Russia
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2009年 / 41卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
Quantum dot; Intraband absorption; Ionized impurity; OPTICAL-ABSORPTION SPECTRA; ENERGY-SPECTRUM; DONORS; WELL; MAGNETOABSORPTION; TRANSITIONS; STATES; LIGHT; FIELD;
D O I：
10.1016/j.physe.2008.09.020
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The absorption of electromagnetic radiation of an anisotropic quantum dot is theoretically investigated taking into account the processes associated with simultaneous scattering front ionized impurities. It is shown that the scattering of electrons by impurities leads to the resonance absorption even if we have only one impurity in the quantum dot. Explicit formula is derived for the absorption coefficient. The positions of the resonances peaks are found. The effects of external magnetic field on the resonance absorption are studied. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：483 / 486
页数：4
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