Whistler turbulence vs. whistler anisotropy instability: Particle-in-cell simulation and statistical analysis

Whistler anisotropy instability: Spectral transfer in a threedimensional particleincell simulation

A three-dimensional (3-D) particle-in-cell (PIC) simulation of the whistler anisotropy instability is carried out for a collisionless, homogeneous, magnetized plasma with βe = 0.10. This is the first 3-D PIC simulation of the evolution of enchanced fluctuations from this growing mode driven by an anisotropic electron velocity distribution with T⟂e∕T∥e>1 where ⟂ and ∥ represent directions perpen...

Whistler turbulence forward cascade: Three‐dimensional particle‐in‐cell simulations

[1] The first fully three‐dimensional particle‐in‐cell (PIC) simulation of whistler turbulence in a magnetized, homogeneous, collisionless plasma has been carried out. An initial relatively isotropic spectrum of long‐wavelength whistlers is imposed upon the system, with an initial electron b = 0.10. As in previous two‐dimensional simulations of whistler turbulence, the three‐dimensional system ...

Whistler turbulence at variable electron beta: Three-dimensional particle-in-cell simulations

[1] Three-dimensional particle-in-cell (PIC) simulations of whistler turbulence at three different initial values of ˇe are carried out on a collisionless, homogeneous, magnetized plasma model. The simulations begin with an initial ensemble of relatively long-wavelength whistler modes and follow the temporal evolution of the fluctuations as wave-wave interactions lead to a forward cascade into ...

Energy dissipation by whistler turbulence: Three-dimensional particle-in-cell simulations

Whistler anisotropy instabilities as the source of banded chorus: Van Allen Probes observations and particle-in-cell simulations

Magnetospheric banded chorus is enhanced whistler waves with frequencies ωr <Ω e , where Ω e is the electron cyclotron frequency, and a characteristic spectral gap at ωr ≃Ω e /2. This paper uses spacecraft observations and two-dimensional particle-in-cell simulations in a magnetized, homogeneous, collisionless plasma to test the hypothesis that banded chorus is due to local linear growth of two...