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Title: Whistler turbulence forward vs. inverse cascade. Three-dimensional particle-in-cell simulations

Abstract

In this study, we present the results of the first fully three-dimensional particle-in-cell simulations of decaying whistler turbulence in a magnetized, homogeneous, collisionless plasma in which both forward cascades to shorter wavelengths, and inverse cascades to longer wavelengths are allowed to proceed. For the electron beta βe = 0.10 initial value considered here, the early-time rate of inverse cascade is very much smaller than the rate of forward cascade, so that at late times the fluctuation energy in the regime of the inverse cascade is much weaker than that in the forward cascade regime. Similarly, the wavevector anisotropy in the inverse cascade regime is much weaker than that in the forward cascade regime.

Authors:
 [1];  [2];  [3]
  1. Oracle Corp., Redwood Shores, CA (United States)
  2. Space Science Institute, Boulder, CO (United States)
  3. Univ. of Southern California, Los Angeles, CA (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
National Science Foundation (NSF)
OSTI Identifier:
1165180
Report Number(s):
LA-UR-14-29236
Journal ID: ISSN 1538-4357; TRN: US1600666
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Volume: 800; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; heliospheric and magnetospheric physics; whistler turbulence

Citation Formats

Chang, Ouliang, Gary, S. Peter, and Wang, Joseph. Whistler turbulence forward vs. inverse cascade. Three-dimensional particle-in-cell simulations. United States: N. p., 2015. Web. doi:10.1088/0004-637X/800/2/87.
Chang, Ouliang, Gary, S. Peter, & Wang, Joseph. Whistler turbulence forward vs. inverse cascade. Three-dimensional particle-in-cell simulations. United States. https://doi.org/10.1088/0004-637X/800/2/87
Chang, Ouliang, Gary, S. Peter, and Wang, Joseph. 2015. "Whistler turbulence forward vs. inverse cascade. Three-dimensional particle-in-cell simulations". United States. https://doi.org/10.1088/0004-637X/800/2/87. https://www.osti.gov/servlets/purl/1165180.
@article{osti_1165180,
title = {Whistler turbulence forward vs. inverse cascade. Three-dimensional particle-in-cell simulations},
author = {Chang, Ouliang and Gary, S. Peter and Wang, Joseph},
abstractNote = {In this study, we present the results of the first fully three-dimensional particle-in-cell simulations of decaying whistler turbulence in a magnetized, homogeneous, collisionless plasma in which both forward cascades to shorter wavelengths, and inverse cascades to longer wavelengths are allowed to proceed. For the electron beta βe = 0.10 initial value considered here, the early-time rate of inverse cascade is very much smaller than the rate of forward cascade, so that at late times the fluctuation energy in the regime of the inverse cascade is much weaker than that in the forward cascade regime. Similarly, the wavevector anisotropy in the inverse cascade regime is much weaker than that in the forward cascade regime.},
doi = {10.1088/0004-637X/800/2/87},
url = {https://www.osti.gov/biblio/1165180}, journal = {The Astrophysical Journal (Online)},
issn = {1538-4357},
number = 2,
volume = 800,
place = {United States},
year = {Thu Feb 12 00:00:00 EST 2015},
month = {Thu Feb 12 00:00:00 EST 2015}
}

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Cited by: 12 works
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Works referenced in this record:

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journal, November 2011


Whistler turbulence at variable electron beta: Three-dimensional particle-in-cell simulations: WHISTLER TURBULENCE: PIC SIMULATIONS
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Energy dissipation by whistler turbulence: Three-dimensional particle-in-cell simulations
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Whistler anisotropy instability: Spectral transfer in a three-dimensional particle-in-cell simulation
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Driven dissipative whistler wave turbulence
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Anisotropy in MHD turbulence due to a mean magnetic field
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Forward and inverse cascades in decaying two-dimensional electron magnetohydrodynamic turbulence
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Cascades in decaying three-dimensional electron magnetohydrodynamic turbulence
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Works referencing / citing this record: