CME Initiation due to the Kink Instability in the Absence of Reconnection

Details CME Initiation due to the Kink Instability in the Absence of Reconnection CME Initiation due to the Kink Instability in the Absence of Reconnection

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsh33b0402r&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SH33B-0402

Physics

7513 Coronal Mass Ejections (2101), 7526 Magnetic Reconnection (2723, 7835), 7829 Kinetic Waves And Instabilities

Scientific paper

We present results from a controlled numerical experiment to determine whether CME onset requires reconnection or can be driven primarily by loss of magnetic equilibrium. We have simulated kink-unstable CME liftoff in the complete absence of numerical reconnection by inducing twist in a line-tied photospheric boundary using a fluxon simulation code. Our initial results suggest that it is possible to drive slow CMEs entirely via the kink instability even in the absence of a large reconnection event such as breakout or a solar flare. We further describe ongoing work, which includes studying the relative importance of reconnection and of mass draining on CME onset.

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