摘要
强激光在等离子体中传播时,从麦克斯韦方程组出发,考虑相对论效应后,得到了圆偏振电磁横波与尾波相互作用的耦合方程组,并采用一个物理上合理的假设来求解这个耦合方程组,分析了两种简化的模型,分别进行数值模拟,得出了在以激光传播速度运动的结构中,若选取合适的系统参数,亚浓密等离子体和过浓密等离子体中都存在孤立波或孤立子。
A simplified physical reasonable assumption is proposed to resolve the coupled equation based on Maxwell equations for wake wave and the circularly polarize transversal electromagnetic wave when intense laser propagates in plasmas. Two simplified models are investigated and numerical simulations are utilized respectively, then it is found that in the moving frame with laser propagating the solitons or solitary wave can exist in underdense and overdense plasmas within certain regime of system parameters.
出处
《湖南科技学院学报》
2009年第8期45-47,共3页
Journal of Hunan University of Science and Engineering
关键词
相对论效应
相互作用
等离子体
孤立子
孤立波
数值模拟
Relativistic effect
Interaction
Plasmas
Soliton/Solitary Wave
Numerical Simulation
