Magnetic-field-induced nonparabolicity of exciton dispersion in semiconductors with a nondegenerate valence band

被引：2
|
作者：
Loginov, D. K. [1 ]
Chegodaev, A. D. [1 ]
机构：
[1] St Petersburg State Univ, St Petersburg 198504, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2011年 / 113卷 / 03期
关键词：
CYCLOTRON-RESONANCE; INTERFERENCE; POLARITONS;
D O I：
10.1134/S1063776111070065
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The nonparabolicity of exciton dispersion due to the mixing of the ground and excited states of an exciton in an external magnetic field perpendicular to the direction of its motion is considered. A model describing this effect is proposed and the nonparabolicity for an exciton in a CdTe crystal is calculated. The magnetic-field induced exciton nonparabolicity is compared with the effect caused by the nonparabolicity of the electron energy dispersion in the conduction band.
引用
收藏
页码：502 / 509
页数：8
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