Head-on collision of ion acoustic solitary waves in electron-positron-ion plasma with superthermal electrons and positrons

被引：60
|
作者：
Chatterjee, P. [1 ]
Ghosh, U. N. [1 ]
机构：
[1] Siksha Bhavana Visva Bharati Univ, Dept Math, Santini Ketan 731235, W Bengal, India
来源：
EUROPEAN PHYSICAL JOURNAL D | 2011年 / 64卷 / 2-3期
关键词：
KAPPA-DISTRIBUTIONS; SOLITONS;
D O I：
10.1140/epjd/e2011-20155-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The head-on collision of ion acoustic solitary waves are studied in an electron-positron-ion plasma composed of superthermal electrons, superthermal positrons, and cold ions using the extended Poincar,-Lighthill-Kuo (PLK) method. The effects of the ratio of electron to positron temperature, the spectral index of electron and positron, and the concentration of positron component on the phase shift are studied. It is found that the presence of superthermal electrons and superthermal positrons play a significant role on the collision of ion acoustic solitary waves. It is also been observed that the temperature ratio plays a significant role on the collision of ion acoustic solitary waves.
引用
收藏
页码：413 / 417
页数：5
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