Direct laser acceleration in an inhomogeneous cylindrical plasma channel

被引：4
|
作者：
Zhang, Rong [1 ]
Cheng, Li-Hong [1 ]
Tang, Rong-An [1 ]
Xue, Ju-Kui [1 ]
机构：
[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China
来源：
PHYSICS OF PLASMAS | 2016年 / 23卷 / 09期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
PARTICLE-ACCELERATION; ION-BEAMS; GENERATION; WAVE; PULSE;
D O I：
10.1063/1.4962503
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：
We discuss the development of the instability for electron acceleration and energy gain of electrons from laser waves in both homogeneous and inhomogeneous non-planar cylindrical plasma channels. We find that the instability (i.e., electron acceleration) in the cylindrical plasma channel can be developed more quickly and strongly than that in the planar two-dimensional plasma channel. Then, enhancement of energy gain and shortening of acceleration length in the cylindrical plasma channel are observed. For the cylindrical plasma channel, the electron in the inhomogeneous plasma channel can gain more energy from the laser and the acceleration length can be shortened by adjusting the width of the laser and the inhomogeneous charge density distributions. Published by AIP Publishing.
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页数：5
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