Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsm13a1186s&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SM13A-1186
Physics
2716 Energetic Particles, Precipitating, 2730 Magnetosphere: Inner, 2752 Mhd Waves And Instabilities, 2753 Numerical Modeling
Scientific paper
Recent paper by Tan, Fung and Shao [2004] shows evidences of resonant interaction and acceleration of energectic electrons with PC5 ULF waves (1-10 mHz) by analyzing CRRES and GOES satellites observations for Aug. 27, 1991 event. The event shows energetic electron flux being modulated and enhanced in 2 hours. In this presentation, we present a model of characteristic distributions of toroidal and poloidal waves in the equatorial plane during the event. By tracing particles in the electric field mapped out with CRRES observations using this model, we compared details of energetic electron flux variation to those observed by CRRES. We will also compare efficiencies of acceleration by toroidal wave to those by poloidal wave. Discussions will be given on furtehr implications of the model. Tan, L. C., S. F. Fung, and X. Shao (2004), Observation of magnetospheric relativistic electrons accelerated by Pc-5 ULF waves, Geophys. Rev. Lett., L14802, doi:10.1029/2004GL019459.
Fung Shing
Shao Xiaofeng
Tan Lei
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