Charged particle dynamics in X-type neutral points

Details Charged particle dynamics in X-type neutral points Charged particle dynamics in X-type neutral points

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506..291h&link_type=abstract

In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze

Physics

1

Solar Flares, Particle Acceleration, Magnetic Fields

Scientific paper

We have developed a novel algorithm for the calculation of test particle orbits in electromagnetic fields. We have applied this to the problem of determining ion and electron orbits in an X-type magnetic configuration, of a type that may occur during reconnection in the corona above a flaring region. Particles in our simulation gain energy through interaction with the normal modes of oscillation of the X-type structure. We find that the addition of a longitudinal magnetic field component to a model proposed by Craig and McClymont [ApJ 371, L41 (1991)] produces a much greater efficiency in accelerating protons. Results of different simulations are presented and the sensitivity of the results to the parameters of the magnetic environment is discussed.

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