HOLE SPIN RELAXATION IN SEMICONDUCTOR QUANTUM-WELLS

被引：22
|
作者：
FERREIRA, R [1 ]
BASTARD, G [1 ]
机构：
[1] ECOLE NORMALE SUPER, PHYS MAT CONDENSEE LAB, 24 RUE LHOMOND, F-75231 PARIS 05, FRANCE
来源：
EUROPHYSICS LETTERS | 1993年 / 23卷 / 06期
关键词：
ELECTRON STATES IN LOW-DIMENSIONAL STRUCTURES; SEMICONDUCTOR FLUIDS; OPTICAL PROPERTIES OF THIN FILMS;
D O I：
10.1209/0295-5075/23/6/010
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate theoretically the <<spin>>-flip and <<spin>>-conserving processes for holes in single quantum wells. The presence of a spatial asymmetry in the hole envelope function Hamiltonian or the small linear-in-Absolute value of k perturbation lifts the parity degeneracy of the Luttinger dispersions of the symmetric quantum well. We show that in this case a D'Yakonov and Perel-like mechanism holds for the relaxation of the hole <<spin>>.
引用
收藏
页码：439 / 444
页数：6
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