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Title: Stagnation of electron flow by a nonlinearly generated whistler wave

Abstract

Relativistic electron beam transport through a high-density, magnetized plasma is studied numerically and theoretically. An electron beam injected into a cold plasma excites Weibel and two-stream instabilities that heat the beam and saturate. In the absence of an applied magnetic field, the heated beam continues to propagate. However, when a magnetic field of particular strength is applied along the direction of beam propagation, a secondary instability of off-angle whistler modes is excited. These modes then couple nonlinearly creating a large amplitude parallel-propagating whistler that stops the beam. Here, we will show these phenomena in detail and explain the mechanism of whistler mediated beam stagnation.

Authors:
; ;
Publication Date:
Research Org.:
Univ. of Maryland, College Park, MD (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1534397
DOE Contract Number:  
FG02-93ER54197
Resource Type:
Journal Article
Journal Name:
Journal of Plasma Physics
Additional Journal Information:
Journal Volume: 83; Journal Issue: 2; Journal ID: ISSN 0022-3778
Publisher:
Cambridge University Press
Country of Publication:
United States
Language:
English
Subject:
Physics

Citation Formats

Taguchi, Toshihiro, Antonsen, Thomas M., and Mima, Kunioki. Stagnation of electron flow by a nonlinearly generated whistler wave. United States: N. p., 2017. Web. doi:10.1017/s0022377817000204.
Taguchi, Toshihiro, Antonsen, Thomas M., & Mima, Kunioki. Stagnation of electron flow by a nonlinearly generated whistler wave. United States. doi:10.1017/s0022377817000204.
Taguchi, Toshihiro, Antonsen, Thomas M., and Mima, Kunioki. Thu . "Stagnation of electron flow by a nonlinearly generated whistler wave". United States. doi:10.1017/s0022377817000204.
@article{osti_1534397,
title = {Stagnation of electron flow by a nonlinearly generated whistler wave},
author = {Taguchi, Toshihiro and Antonsen, Thomas M. and Mima, Kunioki},
abstractNote = {Relativistic electron beam transport through a high-density, magnetized plasma is studied numerically and theoretically. An electron beam injected into a cold plasma excites Weibel and two-stream instabilities that heat the beam and saturate. In the absence of an applied magnetic field, the heated beam continues to propagate. However, when a magnetic field of particular strength is applied along the direction of beam propagation, a secondary instability of off-angle whistler modes is excited. These modes then couple nonlinearly creating a large amplitude parallel-propagating whistler that stops the beam. Here, we will show these phenomena in detail and explain the mechanism of whistler mediated beam stagnation.},
doi = {10.1017/s0022377817000204},
journal = {Journal of Plasma Physics},
issn = {0022-3778},
number = 2,
volume = 83,
place = {United States},
year = {2017},
month = {3}
}

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