Open Access

Three-dimensional simulation study of magnetic reconnection in the solar corona

Earth, Planets and Space201453:BF03353260

Received: 2 October 2000

Accepted: 12 December 2000

Published: 26 June 2014


A three-dimensional reconnection process, which is caused by the magnetic arcade instability, is investigated using numerical simulations. It is found that the aspect ratio (defined as the ratio of the length to the width of the magnetic arcade) is a crucial parameter to control the nonlinear dynamics. When the aspect ratio is rather small, the dynamics is governed by a symmetric mode, and more explosive reconnection happens. In a longer arcade, on the other hand, an undulating three-dimensional activity arises. It suggests that the variety in solar coronal activity may be caused by the difference in arcade shape.