Development of force-free current in astrophysical circumstances |
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| Authors: | Y Nakagawa |
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| Institution: | (1) Chiba Institute of Technology, Narashino, Japan |
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| Abstract: | The physical conditions needed for the development of field-aligned force-free current in astrophysical circumstances are considered. It is shown that a large-scale differential motion of magnetic regions can lead to the development of magnetic field with the preferential enhancement of force-free current. Other physical consequences of force-free current in evolving magnetic field are also discussed. |
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