Gyrokinetic Particle Simulation Of Drift Compressional Modes In The Magnetosphere

Details Gyrokinetic Particle Simulation Of Drift Compressional Modes In The Magnetosphere Gyrokinetic Particle Simulation Of Drift Compressional Modes In The Magnetosphere

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm11b1743p&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SM11B-1743

Physics

Plasma Physics

[2471] Ionosphere / Plasma Waves And Instabilities, [2772] Magnetospheric Physics / Plasma Waves And Instabilities, [7829] Space Plasma Physics / Kinetic Waves And Instabilities

Scientific paper

The Pc5 magnetic pulsations dominated by compressional modes have been regularly observed in the Earth's magnetosphere. The objective of this project is to study the linear excitation and nonlinear evolution of these ultra low frequency pulsations, focusing on unstable drift compressional modes, with kinetic effects due to wave-particle resonance and finite Larmor radius. The method is to develop a three dimensional gyrokinetic particle simulation, with the dipole equilibrium field modelling the Earth's magnetosphere. Results of linear drift-kinetic and linear gyrokinetic simulations will be presented. The current code development is focused on resolving the radial mode structure due to finite Larmor radius effects.

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