Theory of spin splitting in Ga1-xAlxAs parabolic quantum wells controlled by an electric field -: art. no. 035325

被引：21

作者：

Pfeffer, P ^{[1
]}

Zawadzki, W ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

PHYSICAL REVIEW B | 2005年 / 72卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.72.035325

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The five-level k(.)p model for Ga1-xAlxAs parabolic quantum wells, characterized by the continuously varying chemical composition x, is used to calculate the effective spin g(*) factor of conduction electrons. The theory with no adjustable parameters agrees well with the experimental data of Salis [Nature 414, 619 (2001)]. Both negative and positive spin g(*) values are described, as well as their dependence on an external electric field. The Bychkov-Rashba spin splitting due to inversion asymmetry of the structures caused by electric bias is calculated and shown to give negligible contribution to the g(*) values.

引用

页数：6

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