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Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9314383a&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Dec. 1, 1988, p. 14383-14400. Research supported by the Bartol Resear
Other
83
Magnetic Field Reconnection, Magnetohydrodynamic Turbulence, Particle Acceleration, Magnetohydrodynamics, Monte Carlo Method, Particle Trajectories, Solar Flares, Space Plasmas, Supernovae
Scientific paper
The effect of turbulence on particle acceleration in a MHD field was investigated by computing test particle trajectories in turbulent MHD reconnecting fields, including reconnection simulations at different magnetic Reynolds numbers. The dynamics of individual particles were investigated making it possible to examine the acceleration mechanism in great detail. It was found that turbulence influences the acceleration in two ways. It enhances the reconnection electric field while producing a stochastic electric field that gives rise to momentum diffusion; and it produces magnetic 'bubbles' and other irregularities that can temporarily trap test particles in the strong reconnection electric field for times comparable to the magnetofluid characteristic time.
Ambrosiano John J.
Goldstein Melvyn L.
Matthaeus William H.
Plante Daniel
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