Spin polarization effect in 2D and Q2D electron gas

被引：0
|
作者：
F. Kanjouri
A. H. Esmailian
M. Molayem
机构：
[1] Tarbiat Moallem University,Physics Department
[2] Islamic Azad University,Physics Department
[3] Physical and Theoretical Chemistry,undefined
[4] University of Saarland,undefined
来源：
The European Physical Journal B | 2011年 / 79卷
关键词：
Dielectric Function; Spin Polarization; Random Phase Approximation; Polarization Degree; Plasmon Energy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We use the constructed spin-dependent static local field functions to calculate the plasmon dispersion of two dimensional spin polarized electron gas (2D SPEG) over a range of electron densities at arbitrarily spin polarization. We also investigate how the finite width of electron layer will affect the plasmon frequency and inverse static dielectric function of 2D SPEG. Our results show that the effect of finite thickness on plasmon dispersion and inverse dielectric function becomes considerable even at high densities in 2D SPEG.
引用
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页码：429 / 433
页数：4
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