MANY-BODY EFFECTS ON INTERSUBBAND TRANSITIONS IN SEMICONDUCTOR QUANTUM-WELL STRUCTURES

被引：65

作者：

CHUANG, SL ^{[1
]}

LUO, MSC ^{[1
]}

SCHMITTRINK, S ^{[1
]}

PINCZUK, A ^{[1
]}

机构：

[1] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.46.1897

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Many-body effects on intersubband excitations in modulation-doped semiconductor quantum-well structures are calculated by solving numerically the Bethe-Salpeter equation for the corresponding polarization function. Depolarization and excitonic effects cause large changes in the transition energies. In particular, the excitonic binding tends to cancel the corrections due to exchange self-energies. Very good agreement between theoretical results and light scattering experiments is shown. The same formulation also applies to the interpretation of infrared optical absorption spectra.

引用

页码：1897 / 1900

页数：4

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