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

Journal Article · · The Astrophysical Journal (Online)
 [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)
+ Show Author Affiliations

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.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
National Science Foundation (NSF)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1165180
Report Number(s):
LA-UR-14-29236; TRN: US1600666
Journal Information:
The Astrophysical Journal (Online), Vol. 800, Issue 2; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

References (14)

Whistler turbulence forward cascade: Three-dimensional particle-in-cell simulations: WHISTLER TURBULENCE SIMULATIONS journal November 2011
Whistler turbulence at variable electron beta: Three-dimensional particle-in-cell simulations: WHISTLER TURBULENCE: PIC SIMULATIONS journal June 2013
Energy dissipation by whistler turbulence: Three-dimensional particle-in-cell simulations journal May 2014
Magnetic Helicity Conservation and Inverse Energy Cascade in Electron Magnetohydrodynamic Wave Packets journal May 2011
The Anisotropy of Electron Magnetohydrodynamic Turbulence journal September 2004
Three dimensional character of whistler turbulence journal May 2010
Forward Cascade of Whistler Turbulence: Three-Dimensional Particle-In-Cell Simulations journal August 2012
Whistler anisotropy instability: Spectral transfer in a three-dimensional particle-in-cell simulation journal March 2014
Whistler instability: Electron anisotropy upper bound journal May 1996
Driven dissipative whistler wave turbulence journal December 2005
Anisotropy in MHD turbulence due to a mean magnetic field journal June 1983
Forward and inverse cascades in decaying two-dimensional electron magnetohydrodynamic turbulence journal April 2009
Cascades in decaying three-dimensional electron magnetohydrodynamic turbulence journal July 2009
Colloquium: Magnetohydrodynamic turbulence and time scales in astrophysical and space plasmas journal December 2004

Cited By (5)

Energy conversion in turbulent weakly collisional plasmas: Eulerian hybrid Vlasov-Maxwell simulations journal July 2019
Species Entropies in the Kinetic Range of Collisionless Plasma Turbulence: Particle-in-cell Simulations journal May 2018
Proton–Proton Collisions in the Turbulent Solar Wind: Hybrid Boltzmann–Maxwell Simulations journal December 2019
Proton-proton collisions in the turbulent solar wind: Hybrid Boltzmann-Maxwell simulations text January 2019
Energy conversion in turbulent weakly-collisional plasmas: Eulerian Hybrid Vlasov-Maxwell simulations text January 2019

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
heliospheric and magnetospheric physics
whistler turbulence