摘要
使用约化摄动法得到含有非热离子、尘粒荷电变化的热尘埃等离子体中的KP方程.结果表明,非热离子分布会严重影响尘粒的电荷数.而且,高阶横向扰动的存在使得尘埃声孤波的振幅减小,而宽度增大.同时,该体系中稀疏形孤波和压缩形孤波共存.
This paper derived Kadomtsev - Petviashvili KP equation from hot dusty plasma with non - thermal distributed ions and variable dust charge by reductive perturbation method. It was found that the non -thermally distributed ions could play a significant role in the determination of the normalized dust charge. Further, the amplitude of solitary waves may decrease, whereas their width increases at the presence of the higher order transverse perturbations. Meanwhile, both compressive and rarefactive solitary waves could coexist in this system.
出处
《安徽大学学报（自然科学版）》
CAS
北大核心
2008年第2期55-59,共5页
Journal of Anhui University(Natural Science Edition)
基金
四川理工学院人才引进科研启动基金资助项目
