Quantum well excitons in a high magnetic field

被引：2

作者：

Monozon, BS ^{[1
]}

Pye, MJ ^{[1
]}

Bates, CA ^{[1
]}

Dunn, JL ^{[1
]}

机构：

[1] UNIV NOTTINGHAM, DEPT PHYS, NOTTINGHAM NG7 2RD, ENGLAND

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1997年 / 21卷 / 02期

关键词：

D O I：

10.1006/spmi.1995.0167

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

An analytical approach to the problem of an exciton with extremely different electron and hole masses in a quantum well (QW) subject to a strong magnetic field is developed. The double adiabatic approximation is used. The dependence of the exciton energy levels upon the magnitude of the magnetic field and the width of the QW is obtained. As the magnetic field increases in magnitude, the exciton binding energy increases. With a narrowing of the QW, the exciton levels shift towards higher energies. However, for a sufficiently strong magnetic field, the size of the QW has little effect of the exciton energy. Our results are shown to be in agreement with previous numerical work on the problem. (C) 1997 Academic press Limited

引用

页码：151 / 163

页数：13

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