Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm21a1675m&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM21A-1675
Physics
2716 Energetic Particles: Precipitating, 2720 Energetic Particles: Trapped, 2753 Numerical Modeling, 2772 Plasma Waves And Instabilities (2471), 2774 Radiation Belts
Scientific paper
A previous work considered the generation of ULF waves in the inner Magnetosphere due to a heavy ion ring distribution such as Lithium [Ganguli et al., 2007]. We extend this analysis by considering the generation of Lower-hybrid waves in an Oxygen dominated plasma at R~550km due to a Barium ion ring distribution. We demonstrate the criteria in which Lower-hybrid waves are produced and examine the quasilinear evolution of the instability. The quasilinear evolution of the Barium ring distribution lowers the instability threshold. The analysis is compared with space experiments done several decades ago. We conclude that the strong turbulence generated by such a release can increase wave activity in the plasmasphere. Ganguli, G., L. Rudakov, M. Mithaiwala, and K. Papadopoulos (2007), Generation and evolution of intense ion cyclotron turbulence by artificial plasma cloud in the magnetosphere, J. Geophys. Res., 112, A06231, doi:10.1029/2006JA012162.
Ganguli G. M.
Mithaiwala Manish
Rudakov Leonid
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