Bubble regime for ion acceleration in a laser-driven plasma

被引：52
|
作者：
Shen, Baifei
Li, Yuelin
Yu, M. Y.
Cary, John
机构：
[1] Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[2] Argonne Natl Lab, Accelerator Syst Div, Argonne, IL 60439 USA
[3] Argone Accelerator Inst, Argonne Natl Lab, Argonne, IL 60439 USA
[4] Ruhr Univ Bochum, Inst Theoret Phys 1, D-44780 Bochum, Germany
[5] Tech X Corp, Boulder, CO 80303 USA
[6] Univ Colorado, Dept Phys, Boulder, CO 80309 USA
来源：
PHYSICAL REVIEW E | 2007年 / 76卷 / 05期
关键词：
D O I：
10.1103/PhysRevE.76.055402
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：
Proton trapping and acceleration by an electron bubble-channel structure in laser interaction with high-density plasma is investigated by using three-dimensional particle-in-cell simulations. It is shown that protons can be trapped, bunched, and efficiently accelerated for appropriate laser and plasma parameters, and the proton acceleration is enhanced if the plasma consists mainly of heavier ions such as tritium. The observed results are analyzed and discussed in terms of a one-dimensional analytical three-component-plasma wake model.
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页数：4
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