Solitary waves of laser pulse in a plasma channel

被引：24
|
作者：
Zhang, Shan [1 ,2 ]
Xie, Bai-Song [1 ]
Hong, Xue-Ren [1 ,3 ]
Wu, Hai-Cheng [4 ]
Zhao, Xue-Yan [1 ]
机构：
[1] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
[2] Shijiazhuang Tiedao Univ, Dept Math & Phys, Shijiazhuang 050043, Peoples R China
[3] NW Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China
[4] Peking Univ, Ctr Appl Phys & Technol, Beijing 100084, Peoples R China
来源：
PHYSICS OF PLASMAS | 2011年 / 18卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETIC-WAVES; ELECTRON-BEAMS; SOLITONS; PROPAGATION;
D O I：
10.1063/1.3561802
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The propagation of a Gaussian laser pulse in a preformed plasma channel is investigated. The conditions for the existence of electromagnetic solitary waves are obtained theoretically by analyzing the differential equation of the pulse spot size including the effects of relativistic self-focusing, ponderomotive self-channeling, and preformed channel focusing. Some solitarylike wave solutions are presented numerically and their possible implications on laser-plasma acceleration are discussed briefly. (C) 2011 American Institute of Physics. [doi:10.1063/1.3561802]
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页数：5
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