GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS: Characteristics of Wave Particle Interaction in a Hydrogen Plasma

Details GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS: Characteristics of Wave Particle Interaction in a Hydrogen Plasma GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS: Characteristics of Wave Particle Interaction in a Hydrogen Plasma

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008chphl..25.3511h&link_type=abstract

Chinese Physics Letters, Volume 25, Issue 9, pp. 3511-3514 (2008).

Physics

3

Scientific paper

We study the characteristics of cyclotron wave particle interaction in a typical hydrogen plasma. The numerical calculations of minimum resonant energy -Emin, resonant wave frequency ω, and pitch angle diffusion coefficient Dαα for interactions between R-mode/L-mode and electrons/protons are presented. It is found that -Bmin decreases with ω for R-mode/electron, L-modefproton and L-mode/electron interactions, but increase with ω for R-mode/proton interaction. It is shown that both R-mode and L-mode waves can efficiently scatter energetic (10keV~100keV) electrons and protons and cause precipitation loss at L = 4, indicating that perhaps wave particle interaction is a serious candidate for the ring current decay.

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