Electron-acoustic solitons in plasma with nonthermal electrons

被引：30

作者：

Pakzad, Hamid Reza ^{[1
]}

Tribeche, Mouloud ^{[2
]}

机构：

[1] Islamic Azad Univ, Dept Phys, Bojnourd Branch, Tehran, Iran

[2] Univ Bab Ezzouar, Fac Sci Phys, Plasma Phys Grp, Theoret Phys Lab,USTHB, Algiers 16111, Algeria

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2010年 / 330卷 / 01期

关键词：

Electron-acoustic waves; Solitary waves; Sagdeev potential; Mach number; Nonthermal electrons; SOLITARY WAVES; DOUBLE-LAYERS;

D O I：

10.1007/s10509-010-0367-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Nonlinear electron-acoustic solitary waves (EASWs) are studied using Sagdeev's pseudo-potential technique in a collisionless unmagnetized plasma consisting of a cold electron fluid, nonthermal hot electrons and stationary ions. It is shown that the presence of fast nonthermal electrons may modify the parametric region where electron-acoustic solitons may exist. Our investigation is of wide relevance to astronomers and space scientists working on interstellar space plasmas.

引用

页码：95 / 99

页数：5

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