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Excitation of large amplitude wake electron oscillations in adiabatic plasma

Published online by Cambridge University Press:  01 February 2013

Youmei Wang ,
M.Y. Yu ,
Z.Y. Chen  and
Gaimin Lu
Youmei Wang
Affiliation:
Department of Physics, School of Science, Hangzhou Dianzi University, Hangzhou, China Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou, China
M.Y. Yu*
Affiliation:
Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou, China Institute for Theoretical Physics I, Ruhr University, Bochum, Germany
Z.Y. Chen
Affiliation:
Department of Physics, Beijing University of Chemical Technology, Beijing, China Lawrence Berkeley National Laboratory, Berkeley, California
Gaimin Lu
Affiliation:
Southwestern Institute of Physics, Chengdu, China
*
Address correspondence and reprint requests to: M.Y. Yu, Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou 310027, China. E-mail: myyu@zju.edu.cn
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Abstract

Electron plasma waves excited and/or modified by finite objects such as laser and charged particle pulses are investigated nonperturbatively using a simple model where the driver is unaffected by the interaction. It is shown that smooth as well as sharply peaked electron plasma wake waves of large amplitude can exist. In particular, two charged pulses moving in tandem can excite a highly localized electron plasma wave without producing the expected long wake wave, a configuration that should be particularly useful for efficient trapping and acceleration of electrons to high energies.

Keywords

Adiabatic electron plasmaExcitation of nonlinear plasma wavesWakefields

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 31 , Issue 1 , March 2013 , pp. 155 - 161
Copyright
Copyright © Cambridge University Press 2013

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