Particle Scattering in Magnetized Plasmas and Diffusive Shock Acceleration at Perpendicular Interplanetary Shock Waves

Details Particle Scattering in Magnetized Plasmas and Diffusive Shock Acceleration at Perpendicular Interplanetary Shock Waves Particle Scattering in Magnetized Plasmas and Diffusive Shock Acceleration at Perpendicular Interplanetary Shock Waves

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1366...13d&link_type=abstract

PARTIALLY IONIZED PLASMAS THROUGHOUT THE COSMOS-PROCEEDINGS OF THE 2010 HUNTSVILLE WORKSHOP. AIP Conference Proceedings, Volume

Physics

Turbulence, Diffusion, Magnetic Fields, Shock Waves, Integral Equations, Turbulence, Convection, Turbulence, And Diffusion, Electric And Magnetic Fields, Solar Magnetism, Planetary Bow Shocks, Interplanetary Shocks, Integral Equations

Scientific paper

Particle scattering in pure magnetic turbulence is investigated by combining the Newton-Lorentz equation with the well-established nonlinear guiding center theory. Cross field diffusion coefficients are calculated as well as certain limits in particle energy and turbulence strength. In addition to the well-known nonlinear results we find a new contribution which describes particle scattering away from a single field line. In particular, perpendicular diffusion can be described as a superposition of scattering due to wandering magnetic field lines and scattering away from a single field line. As an example, the new results are used to calculate the maximum energy of protons accelerated at perpendicular interplanetary shock waves driven by a coronal mass ejection.

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