Physics
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981p%26ss...29..391w&link_type=abstract
Planetary and Space Science, vol. 29, Apr. 1981, p. 391-397.
Physics
27
Magnetic Field Configurations, Particle Energy, Particle Motion, Particle Trajectories, Space Plasmas, Adiabatic Conditions, Distribution Functions, Tearing Modes (Plasmas)
Scientific paper
Trajectories of test particles are investigated numerically in two types of reconnection magnetic field configurations, a single X-line magnetic field configuration and a tearing magnetic field configuration. Both adiabatic and nonadiabatic motions are examined, with particular attention paid to the net energy gain and time spent in the neutral line regions. It is found that they spend typically one characteristic gyroperiod in the X-line region and are ejected predominantly along field lines in the vicinity of the separatrix. Adiabatic as well as nonadiabatic test particles in the tearing-type field configuration are channeled into and accelerated along the O-line region. It is inferred from these test particle results that particle energizations are significant along the O-line region but not along the X-line region. The results are found to agree qualitatively with those obtained through a self-consistent particle simulation.
Akasofu S.-L.
Gray Perry C.
Kan Joseph R.
Tajima Toshiki
Wagner Stefan J.
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