Approximated Vector Potential of Intense Laser Pulses in a Pair Plasma

作者：Tian Duo Xiang; He Guang Jun; Han Jiu Ning; Duan Wen Shan^*

来源：Communications in Theoretical Physics, 2009, 51(3): 529-532.

DOI：10.1088/0253-6102/51/3/30

• electron-positron plasma
• (3 1)-dimensional
• KP-I equation
• lump solution

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.

• 出版日期2009-3
• 单位西北师范大学