Gyrokinetic Particle Simulation of Kinetic Alfven Wave Turbulence

Details Gyrokinetic Particle Simulation of Kinetic Alfven Wave Turbulence Gyrokinetic Particle Simulation of Kinetic Alfven Wave Turbulence

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..apr.k1002l&link_type=abstract

American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #K1.002

Physics

Scientific paper

The previous studies of spectral cascade in Alfvenic turbulence clearly show signs of plasma heating, and there are several highly-debated explanations to this phenomenon. We have developed a nonlinear gyrokinetic particle simulation to study the perpendicular spectral cascade caused by Landau damping of kinetic Alfven wave, which is one of those possible heating mechanisms. The nonlinear gyrokinetic code includes scalar potential, vector potential, and compressional magnetic perturbation to form a complete, self-consistent nonlinear simulation. We will discuss the simulation results in comparison with the earlier simulation, which excludes the compressional magnetic perturbation.

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