Spin polarization of quasi-two-dimensional hole systems

被引：24
|
作者：
Winkler, R [1 ]
机构：
[1] Univ Hannover, Inst Festkorperphys, D-30167 Hannover, Germany
来源：
PHYSICAL REVIEW B | 2005年 / 71卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.71.113307
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In quasi-two-dimensional (2D) hole systems with an effective spin j=3/2, heavy-hole-light-hole splitting results in a quantization of angular momentum perpendicular to the 2D plane. The spin polarization of quasi-2D hole systems due to an in-plane magnetic field B-parallel to thus competes with the heavy-hole-light-hole splitting. As a result, the spin polarization of hole systems is very different from the spin polarization of j=1/2 electron systems. In particular, it is shown that the spin polarization of quasi 2D heavy hole systems can change its sign at a finite value of B-parallel to.
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页数：4
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