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

被引：0
|
作者：
D. K. Loginov
A. D. Chegodaev
机构：
[1] St. Petersburg State University,
来源：
Journal of Experimental and Theoretical Physics | 2011年 / 113卷
关键词：
Wave Vector; Exciton State; Secular Equation; Exciton Energy; CdTe Crystal;
D O I：
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学科分类号：
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.
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页码：502 / 509
页数：7
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