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Airy-like electron plasma wave

Published online by Cambridge University Press:  25 January 2016

Hehe Li ,
Xinzhong Li  and
Jingge Wang
Hehe Li*
Affiliation:
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
Xinzhong Li
Affiliation:
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
Jingge Wang
Affiliation:
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
*
†Email address for correspondence: heheli@haust.edu.cn
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Abstract

In this paper, an Airy-like electron plasma wave is investigated in an unmagnetized collisionless plasma consisting of inertial electrons and static ions. Just like the optical Airy beam, the Airy-like electron plasma wave also has two interesting propagation characteristics: it has transverse acceleration and is diffraction-free, which display that the Airy-like electron plasma wave propagates along a curved trajectory and retains the basic structure for longer distances in the propagation direction, respectively. We give a numerical simulation for the electrostatic potential of the Airy-like electron plasma wave and show that, with the increase of the propagation distance, the electrostatic potential decreases in the propagation direction but increases in the transverse direction.

Type
Research Article
Information
Journal of Plasma Physics , Volume 82 , Issue 1 , February 2016 , 905820103
Copyright
© Cambridge University Press 2016 

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