Drift of Charged Particles in a solar wind background magnetic field

Details Drift of Charged Particles in a solar wind background magnetic field Drift of Charged Particles in a solar wind background magnetic field

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh33a1817q&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SH33A-1817

Physics

Plasma Physics

[7514] Solar Physics, Astrophysics, And Astronomy / Energetic Particles, [7807] Space Plasma Physics / Charged Particle Motion And Acceleration, [7863] Space Plasma Physics / Turbulence

Scientific paper

Drift behavior of charged particles in magnetic field is an important problem of cosmic ray studies. Previous investigations of charged particles' drift coefficients often assume a non-realistic background magnetic field. In this work, we study charged particles drift in a realistic Parker spiral background magnetic field. On top of the background magnetic field, we also impose a zero-value averaged MHD turbulence, which by construction is also non-uniform. We then study the motion of energetic particles by numerically following single particles using a 4th-order Runge-Kutta scheme. Drift speed and coefficients are calculated from the numerical data of particles trajectories. The implication of our results to the transport of energetic particles in the solar wind is also discussed.

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