Two-dimensional hybrid modeling of wave heating in the solar wind plasma

Details Two-dimensional hybrid modeling of wave heating in the solar wind plasma Two-dimensional hybrid modeling of wave heating in the solar wind plasma

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh53a1253o&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH53A-1253

Physics

7807 Charged Particle Motion And Acceleration, 7827 Kinetic And Mhd Theory, 7829 Kinetic Waves And Instabilities, 7846 Plasma Energization, 7867 Wave/Particle Interactions (2483, 6984)

Scientific paper

We study the heating and the acceleration of protons, and heavy ions by waves in the solar wind, as well as the nonlinear influence of heavy ions on the wave structure using a 2D hybrid model. Protons and heavy ions are treated kinetically by solving their equations of motion in the self-consistent electric and magnetic fields of the waves, while electrons are treated as a neutralizing background MHD fluid. We use the 2D hybrid code to investigate more realistic obliquely propagating waves, boundary conditions, and background field structures, than previous 1D-simulation and analytical studies. Using the 2D hybrid code we consider for the first time the heating and acceleration of protons and heavy ions by a driven-input spectrum of Alfvén/cyclotron waves in the multi-species coronal plasma. We discuss the observational implication of the results to the solar wind, as well as the relation to the acceleration of stellar winds with hot magnetized coronae.

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