The topology of guiding center orbits in a linear magnetic cusp

Details The topology of guiding center orbits in a linear magnetic cusp The topology of guiding center orbits in a linear magnetic cusp

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001phpl....8.4042e&link_type=abstract

Physics of Plasmas, Volume 8, Issue 9, pp. 4042-4052 (2001).

Physics

4

Magnetohydrodynamics, Magnetic Reconnection, Magnetohydrodynamics And Plasmas, Physics Of The Magnetosphere

Scientific paper

Particle orbits for a linear magnetic cusp configuration, characteristic for magnetic reconnection, are analyzed within the guiding center approximation. A class of particle orbits encircling the magnetic X-line is identified and the orbit phase space partition is obtained and characterized as a function of dimensionless parameters controlling the orbit topology. The large majority of particles are found to be trapped in the direction of the X-line implying large neoclassical corrections to the plasma resistivity. This may be the key in explaining the high rates of collisionless magnetic reconnection observed in nature.

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