Spin Polarization by Tilted Magnetic Field in Wide Ga1−xAlxAs Parabolic Quantum Wells

被引：0
|
作者：
I. C. da Cunha Lima
G. M. Gusev
J. R. Leite
机构：
[1] Universidade do Estado do Rio de Janeiro,Instituto de Física
[2] Universidade de São Paulo,Instituto de Física
[3] In memoriam,undefined
来源：
Journal of Superconductivity | 2005年 / 18卷
关键词：
magnetic field; quantum wells; cyclotron frequency; -factor;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Wide parabolic wells can be created by properly controlling the Al content during the growth of successive Ga1−xAlxAs thin layers. Under a tilted magnetic field these systems present interesting transport properties, which are associated to their composition dependent g-factor. We present an exact solution for the eigenstates of an electron gas inside such a quantum well. We calculate the renormalized cyclotron frequencies as functions of the angle of tilt, as well as the density of states, and the Fermi level. We discuss the conditions for the existence of spin-polarized charge.
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页码：169 / 173
页数：4
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