论文标题
在磁化对等离子体介质中的压缩alfvén波的传播
Propagation of Compressional Alfvén Waves in a Magnetized Pair Plasma Medium
论文作者
论文摘要
还使用还原性扰动方法来探索EP等离子体培养基中快速（压缩）和慢速（稀有）电子位置（EP）磁声（EPMA）模式的非线性传播。 Korteweg-De Vries（K-DV）方程的孤立波解用于识别EP压缩alfVén波的基本特性。结果表明，快速（慢）EPMA模式被预测为抗压（稀有）孤立波。发现EPMA波的基本特征（即速度，振幅和宽度）与稀有（即慢速）EPMA的特征完全不同。还检查了针对快速（慢）模式发现的驼峰（DIP）形状孤立波。我们发现的重要性在于了解可能存在EP血浆的实验室等离子体和空间环境中的非线性电磁波现象。
The reductive perturbation approach was used to explore the nonlinear propagation of fast (compressive) and slow (rarefactive) electron-position (EP) magneto-acoustic (EPMA) modes in an EP plasma medium. The solitary wave solution of the Korteweg-de Vries (K-dV) equation is used to identify the basic properties of EP compressional Alfvén waves. It is shown that the fast (slow) EPMA mode is predicted to propagate as compressive (rarefactive) solitary waves. The basic features (i.e., speed, amplitude, and width) of the compressive (i.e., fast) EPMA waves are found to be completely different from those of rarefactive (i.e., slow) EPMA ones. It is also examined that hump (dip) shape solitary waves are found for fast (slow) mode. The significance of our findings is in understanding the nonlinear electromagnetic wave phenomena in laboratory plasma and space environments where EP plasma may exist.
