Magnetoexcitons in type-II quantum dots

被引：0
|
作者：
A. B. Kalameitsev
V. M. Kovalev
A. O. Govorov
机构：
[1] Russian Academy of Sciences,Institute of Semiconductor Physics
[2] Ludwig-Maximilians-Universität,Center for Nanoscience and Sektion Physik
来源：
Journal of Experimental and Theoretical Physics Letters | 1998年 / 68卷
关键词：
71.35.Ji; 73.20.Dx;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The ground state of a spatially indirect exciton in type-II quantum dots with a short-range potential acquires nonzero angular momentum in the presence of a magnetic field oriented perpendicular to the plane of the system. The critical magnetic field of the transition to a ground state with nonzero angular momentum depends on the radius of the quantum dot. Such a transition can be observed as quenching of luminescence by a magnetic field in quantum dots of the GaSb/GaAs system, for example.
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页码：669 / 672
页数：3
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