Magnetoresistance of a two-dimensional electron gas in a parallel magnetic field

被引：162
|
作者：
Dolgopolov, VT [1 ]
Gold, A
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] CNRS, Ctr Elaborat Mat & Etud Struct, F-31055 Toulouse, France
来源：
JETP LETTERS | 2000年 / 71卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.568270
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The conductivity of a two-dimensional electron gas in a parallel magnetic field is calculated. We take into account the magnetic-field-induced spin-splitting, which changes the density of states, the Fermi momentum, and the screening behavior of the electron gas. For impurity scattering, we predict a positive magnetoresistance for low electron density and a negative magnetoresistance for high electron density. The theory is in qualitative agreement with recent experimental results found for Si inversion layers and Si quantum wells. (C) 2000 MAIK "Nauka/Interperiodica".
引用
收藏
页码：27 / 30
页数：4
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