EXCITONS IN A SINGLE-QUANTUM-WELL WIRE - OPTICAL-RESPONSE AND APPLICATION TO THE GRATINGS

被引：2

作者：

DANDREA, A ^{[1
]}

PILOZZI, L ^{[1
]}

机构：

[1] UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS,I-00173 ROME,ITALY

来源：

JOURNAL DE PHYSIQUE IV | 1993年 / 3卷 / C5期

关键词：

D O I：

10.1051/jp4:1993581

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Variational envelope function of an exciton in a single quantum well wire (SQWW) is described in the framework of the effective mass approximation for two-band model. The SQWW considered has thickness values : L(z) < a(B), along the growth axis of the sample, and L(x) > 3a(B) for the lateral dimension (where a(B) is the Bohr radius). Exciton polarizations and optical response for SQWW and for a grating of QWWs are given. The role of the local fields on the optical response of these two different superstructures is pointed out.

引用

页码：385 / 388

页数：4

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