Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994cha%26a..18..363x&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 18, Issue 4, p. 363-373.
Astronomy and Astrophysics
Astrophysics
Sheared Flow-Tearing Mode-Magnetic Field Reconnection
Scientific paper
We investigate the nonlinear evolution of resistive tearing mode in a current sheet with a sheared flow in a long, thin cylinder. The results show that a hyperbolic secant (sech) flow field will lead to instability of the resistive tearing mode, formation of magnetic islands and rapid release of magnetic energy. The coupling between sheared flow and the tearing mode and interaction between suprathermal instabilities change the degree of shear in the magnetic field (the electric current gradient) and drive the development of the instability. This process may be one of the mechanisms of solar flares.
Jing-Fang Wang
Shui Wang
Xiao-Hua Deng
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