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Time-dependent neutral-plasma isothermal expansions into a vacuum

Published online by Cambridge University Press:  12 December 2008

Y. Huang ,
X. Duan ,
X. Lan ,
Z. Tan ,
N. Wang ,
X. Tang  and
Y. He
Y. Huang*
Affiliation:
Department of Engineering Physics, Tsinghua University, Beijing, China and China Institute of Atomic Energy, Beijing, China
X. Duan
Affiliation:
China Institute of Atomic Energy, Beijing, China
X. Lan
Affiliation:
China Institute of Atomic Energy, Beijing, China
Z. Tan
Affiliation:
China Institute of Atomic Energy, Beijing, China
N. Wang
Affiliation:
China Institute of Atomic Energy, Beijing, China
X. Tang
Affiliation:
China Institute of Atomic Energy, Beijing, China
Y. He
Affiliation:
Department of Engineering Physics, Tsinghua University, Beijing, China
*
Address correspondence and reprint requests to: Yongsheng Huang, Department of Engineering Physics, Tsinghua University, Beijing 100084, China. E-mail: hyc05@mails.tsinghua.edu.cn
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Abstract

A time-dependent solution for neutral-plasma isothermal expansions into a vacuum in a special-transformation coordinate system is obtained. In this new coordinate system, the special self-similar solutions of it were given by Huang and co-workers (Appl. Phys. Lett. 92, 031501). Combining the time-dependent solution and the quasi-linear increase of the electron density due to the hot-electron recirculation, an analytic model is proposed to reveal the influence of the hot-electron recirculation on the increase of electric field and on the acceleration of ions of different masses and charges.

Keywords

Hot-electron recirculationLaser-ion accelerationTime-dependent
Type
Research Article
Information
Laser and Particle Beams , Volume 26 , Issue 4 , December 2008 , pp. 671 - 675
Copyright
Copyright © Cambridge University Press 2008

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