Approximated Vector Potential of Intense Laser Pulses in a Pair Plasma

被引：0

作者：

Tian Duo-Xiang ^{[1
]}

He Guang-Jun ^{[1
]}

Han Jiu-Ning ^{[1
]}

Duan Wen-Shan ^{[1
]}

机构：

[1] NW Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2009年 / 51卷 / 03期

基金：

美国国家科学基金会;

关键词：

electron-positron plasma; (3+1)-dimensional; KP-I equation; lump solution; WAKE; PHYSICS; WAVES;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A (3+1)-dimensional Kadomtsev-Petviashvili (KP) equation for nonlinearly interacting intense laser pulses with an electron-positron (e-p) plasma is derived. Taking into account the combined action of the relativistic particle mass increase and the relativistic light ponderomotive force, using the perturbation method, and allowing different types solution, we discuss the analytical solution of (3+1)-dimensional KP-I equation, and give the approximate solutions of vector potential of the intense laser pulse in e-p plasma. Our results may be significantly useful in understanding the nonlinear wave propagation and interaction of intense laser beams in an e-p plasma.

引用

页码：529 / 532

页数：4

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