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:
-
- Oracle Corp., Redwood Shores, CA (United States)
- Space Science Institute, Boulder, CO (United States)
- 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}
}
Web of Science
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Works referencing / citing this record:
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Energy conversion in turbulent weakly-collisional plasmas: Eulerian Hybrid Vlasov-Maxwell simulations
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