Head-on collision of electron-acoustic solitary waves in a plasma with superthermal hot electrons

被引：0

作者：

P. Eslami

M. Mottaghizadeh

H. R. Pakzad

机构：

[1] Ferdowsi University of Mashhad,Department of Physics

[2] Islamic Azad University,Department of Physics, Mashhad Branch

[3] Islamic Azad University,Department of Physics, Bojnourd Branch

来源：

Indian Journal of Physics | 2013年 / 87卷

关键词：

Nonlinear phenomena; Solitons; Physics; 52.35.Mw; 52.35.Sb; 52.90.+z;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The head-on collision between two electron-acoustic solitary waves in an unmagnetized plasma is investigated, including a cold electron fluid, hot electrons obeying a superthermal distribution and stationary ions. By using extended Poincare′-Lighthill-Kuo perturbation method, the analytical phase shifts following head-on collision are derived. Effects of the ratio of number density of hot electrons to number density of cold electrons α and superthermal parameter k on phase shifts are studied. It is found that hot-to-cold electron density ratio significantly modifies the phase shifts.

引用

页码：1047 / 1052

页数：5

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