The dispersion relation for electrostatic fluctuations in weakly inhomogeneous plasmas

被引：1

作者：

Silveira, OJG

Ziebell, LF

Schneider, RS

Gaelzer, R

机构：

[1] Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil

[2] Univ Fed Pelotas, Inst Fis & Matemat, BR-96010900 Pelotas, RS, Brazil

来源：

BRAZILIAN JOURNAL OF PHYSICS | 2004年 / 34卷 / 4B期

关键词：

D O I：

10.1590/S0103-97332004000800024

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We compare and discuss several approximations to the dispersion relation for electrostatic waves in inhomogeneous plasmas, either obtained directly from Poisson's equation, or from the dielectric constant obtained using a dielectric tensor derived using the plane wave approximation, or from the dielectric constant derived using the effective dielectric tensor.

引用

页码：1638 / 1644

页数：7

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