Combined exciton-electron excitation in quantum wells with a two-dimensional electron gas of low density

被引：1
|
作者：
Kochereshko, VP [1 ]
Yakovlev, DR
Suris, RA
Ossau, W
Waag, A
Landwehr, G
Christianen, PCM
Maan, JC
机构：
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
[2] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany
[3] Univ Nijmegen, High Field Magnet Lab, NL-6525 ED Nijmegen, Netherlands
[4] Univ Nijmegen, Mat Res Inst, NL-6525 ED Nijmegen, Netherlands
来源：
SUPERLATTICES AND MICROSTRUCTURES | 1998年 / 23卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1006/spmi.1996.0488
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A combined exciton-cyclotron resonance is found in the photoluminescence excitation and reflectivity spectra of semiconductor quantum wells with an electron gas of low density. In external magnetic fields an incident photon creates an exciton in the ground state and simultaneously excites an electron between Landau levels. A theoretical model is developed and suggests the dominating contribution of the exchange exciton-electron interaction. (C) 1998 Academic Press Limited.
引用
收藏
页码：283 / 287
页数：5
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