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Kadomstev-Petviashvilli-Burgers (KPB) Equation in a Five Component Cometary Plasma with Kappa Described Electrons and Ions
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作者 Manesh Michael Sreekala Gopinathan +4 位作者 Sijo Sebastian Neethu T. Willington Anu Varghese renuka gangadharan Chandu Venugopal 《Journal of Applied Mathematics and Physics》 2015年第11期1431-1442,共12页
We investigate the existence of Ion-Acoustic solitary/shock waves in a five component cometary plasma consisting of positively and negatively charged oxygen ions, kappa described hydrogen ions, hot electrons and cold ... We investigate the existence of Ion-Acoustic solitary/shock waves in a five component cometary plasma consisting of positively and negatively charged oxygen ions, kappa described hydrogen ions, hot electrons and cold electrons. The KPB equation is derived for the system;its solution is plotted for different kappa values, as well as for the temperature ratios of ions. It is found that the amplitude of solitary structure increases with increasing kappa values and negatively charged oxygen ion densities. As the temperature of the positively charged oxygen ions increases, the amplitude of solitary wave also increases. We have also studied the dependence of coefficients of the KPB equation on physical parameters relevant to comet Halley. 展开更多
关键词 Cometary Multi-Ion PLASMA Ion-Acoustic SOLITARY WAVE Shock WAVE KPB EQUATION
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