OPTICAL DISPERSION BY WANNIER EXCITONS

被引：133

作者：

TANGUY, C

机构：

[1] France Telecom, Centre National d'Etudes des Télécommunications, Laboratoire de Bagneux, 92225 Bagneux Cedex

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.75.4090

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An analytical expression of the complex dielectric constant of Wannier excitons is obtained, which includes exactly the contributions of all bound and unbound states. It allows an improved description of the excitonic influence on the optical properties of semiconductors near the band gap, especially with respect to dispersion effects.

引用

页码：4090 / 4093

页数：4

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