Problems in recent analysis of injected carrier dynamics in semiconductor quantum dots

被引:8
|
作者
Lang, R [1 ]
机构
[1] Tokyo Univ Agr & Technol, Dept Appl Phys, Koganei, Tokyo 1848588, Japan
[2] JST, CREST, Koganei, Tokyo 1848588, Japan
关键词
D O I
10.1063/1.1426265
中图分类号
O59 [应用物理学];
学科分类号
摘要
This brief letter discusses conceptual problems that appeared in recent analysis of injected carrier dynamics in semiconductor quantum dots. It is pointed out that the frequently adopted approximation of neglecting the upward relaxation transitions severely restricts the validity of rate equations analysis. The proposed alternative approach with master equations for the transitions between microstates has, in principle, validity equivalent with conventional rate equations, but the presented form of equations neglects the upward transitions and has inaccurate expressions for the downward flow contributions. (C) 2001 American Institute of Physics.
引用
收藏
页码:3912 / 3913
页数:2
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