Relativistic Magnetosonic Soliton in a Negative-Ion-Rich Magnetized Plasma  

作　　者：王云良 周忠祥 路彦珍 倪晓东 申江 张禹 

机构地区：[1]Department of Physics, School of Applied Science, University of Science and Technology Beijing, Beijing 100083 [2]Department of Physics, Harbin Institute of Technology, Harbin 150001

出　　处：《Chinese Physics Letters》2008年第8期2930-2933,共4页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant No 10747109, and the Research Fund for the Doctoral Programme of Higher Education of China under Grant No 20070008001.

摘　　要：Two-dimensional （219） relativistic magnetosonic solitons in the negative-ion-rich plasma consisting of positive ions Ar＋, negative ions SF6 and electrons are investigated in the presence of an applied magnetic field Bo and can be described by a Kadomtse-Petviashvili （KP） equation in the weakly relativistic limit. The ratio of positive ion density to negative ion density has a marked influence on the amplitude φm and width W of the steady-state KP soliton. The interaction law of the nontrivial solitons with rich web structure is studied by the Wronskian determinant method.Two-dimensional （219） relativistic magnetosonic solitons in the negative-ion-rich plasma consisting of positive ions Ar＋, negative ions SF6 and electrons are investigated in the presence of an applied magnetic field Bo and can be described by a Kadomtse-Petviashvili （KP） equation in the weakly relativistic limit. The ratio of positive ion density to negative ion density has a marked influence on the amplitude φm and width W of the steady-state KP soliton. The interaction law of the nontrivial solitons with rich web structure is studied by the Wronskian determinant method.

关 键 词：ACOUSTIC SOLITON MULTICOMPONENT PLASMA KORTEWEG-DEVRIES WAVES EQUATIONS 

分 类 号：O441[理学—电磁学]