Catastrophe model for fast magnetic reconnection onset.
نویسندگان
چکیده
A catastrophe model for the onset of fast magnetic reconnection is presented that suggests why plasma systems with magnetic free energy remain apparently stable for long times and then suddenly release their energy. For a given set of plasma parameters there are generally two stable reconnection solutions: a slow (Sweet-Parker) solution and a fast (Alfvénic) Hall reconnection solution. Below a critical resistivity the slow solution disappears and fast reconnection dominates. Scaling arguments predicting the two solutions and the critical resistivity are confirmed with two-fluid simulations.
منابع مشابه
Catastrophe Model for the Onset of Fast Magnetic Reconnection
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عنوان ژورنال:
- Physical review letters
دوره 95 23 شماره
صفحات -
تاریخ انتشار 2005