Magnetic reconnection model for X-ray flare loop interaction |
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Authors: | Zhen-Da Zhang Xiao-Qing Li R. N. Smartt |
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Affiliation: | (1) Department of Astronomy, Nanjing University, 210008 Nanjing, China;(2) Purple Mountain Observatory, Academia Sinica, 210008 Nanjing, China;(3) National Solar Observatory/Sacramento Peak, National Optical Astronomy Observatories, USA |
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Abstract: | The subtle interactions between the magnetohydrodynamics (MHD) and transverse plasmons are investigated. It is shown that there is a resistive instability by the plasmon's soliton in a current sheet, which eventually turns into an eruptive instability at the magnetic field reconnection. In the case of ion-acoustic turbulence, the high temperature current sheet model must adopt the aromalous conductivity instead of the Coulomb conductivity. The numerical results are consistent with the observations obtained by Hanaoka (1994). Thus the flare caused by X-ray loop coalescence can be basically interpreted by this model of magnetic field reconnection driven by ponderomotive force. |
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