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Particle-in-cell guiding center models of ion velocity space shell instabilities

Published online by Cambridge University Press:  20 December 2006

J.-N. LEBOEUF ,
M. ASHOUR-ABDALLA ,
J.-M. BOSQUED ,
N. CORNILLEAU-WEHRLIN ,
D. SCHRIVER  and
V. SOTNIKOV
J.-N. LEBOEUF
Affiliation:
Department of Physics and Astronomy, UCLA, Los Angeles, CA 90095, USA
M. ASHOUR-ABDALLA
Affiliation:
Department of Physics and Astronomy, UCLA, Los Angeles, CA 90095, USA Institute of Geophysics and Planetary Physics, UCLA, Los Angeles, CA 90095, USA
J.-M. BOSQUED
Affiliation:
CESR/CNRS, Toulouse, 31028, France
N. CORNILLEAU-WEHRLIN
Affiliation:
CETP/IPSL, Velizy, 78140, France
D. SCHRIVER
Affiliation:
Institute of Geophysics and Planetary Physics, UCLA, Los Angeles, CA 90095, USA
V. SOTNIKOV
Affiliation:
Department of Physics, University of Nevada, Reno, NV 89557, USA
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Abstract

Particle-in-cell simulations with full dynamics ions and drift kinetic electrons are essential tools to model kinetic instabilities in strongly magnetized plasmas. In these guiding center models, parallel acceleration of the electrons is retained while their perpendicular velocity is given to lowest order by the ${\bf E} \times{\bf B}$ drift. These simulations are applied to a study of the electrostatic stability of energetic velocity-space ion shells observed in the Earth's plasma sheet boundary layer by the Cluster satellites.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 857 - 860
Copyright
2006 Cambridge University Press

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