Commun. Comput. Phys.,
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Volume 4.


Gyrokinetic Particle Simulation of Compressional Electromagnetic Modes

H. Qu 1, Z. Lin 1*

1 Department of Physics and Astronomy, University of California, Divine, CA 92697, USA.

Received 7 November 2007; Accepted (in revised version) 20 December 2007
Available online 14 April 2008

Abstract

A gyrokinetic particle simulation model is developed for simulations of the compressional electromagnetic turbulence driven by the mirror instability. Results of the linear simulations of mirror modes agree well with the analytic dispersion relation. Nonlinear simulations of a single mode find that the mirror instability saturates via a phase-space trapping due to the nonlinear wave-particle interaction when the instability drive is weak.


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PACS: 52.30.Gz, 52.35.Hr, 52.35.Mw, 52.35.Py, 52.65.Rr, 52.65.Tt
Key words: Mirror instability, compressional electromagnetic turbulence, particle-in-cell simulation.

*Corresponding author.
Email: hqu@uci.edu (H. Qu), zhihongl@uci.edu (Z. Lin)
 

The Global Science Journal