Optical properties of excitons in quantum well wires under the magnetic field

被引：4

作者：

Kasapoglu, E ^{[1
]}

Sari, H

Sökmen, I

机构：

[1] Cumhuriyet Univ, Dept Phys, TR-58140 Sivas, Turkey

[2] Dokuz Eylul Univ, Dept Phys, Izmir, Turkey

来源：

SURFACE REVIEW AND LETTERS | 2003年 / 10卷 / 05期

关键词：

quantum well wires; magnetic field; exciton absorption; CHEMICAL VAPOR-DEPOSITION; BINDING-ENERGY; GAAS; CONFINEMENT; HETEROSTRUCTURES; SUPERLATTICES; TRANSITIONS; DEPENDENCE; SURFACES; BOXES;

D O I：

10.1142/S0218625X03005566

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The binding energy of excitons in quantum well wires of GaAs surrounded by Ga1-xAlxAs was calculated in an effective mass approximation with the use of the variational approach. Results obtained show that the exciton binding energies depend on the sizes of the wire and the strength of the magnetic field. The exciton theory was then used to calculate the linear absorption coefficient of HH1-C1 excitons by varying the wire dimensions and magnetic field values.

引用

页码：737 / 743

页数：7

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