Development of Force-Free Current in Astrophysical Circumstances
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.
- Publication:
-
Astrophysics and Space Science
- Pub Date:
- December 1990
- DOI:
- 10.1007/BF00645655
- Bibcode:
- 1990Ap&SS.174...91N
- Keywords:
-
- Computational Astrophysics;
- Field Aligned Currents;
- Force-Free Magnetic Fields;
- Interstellar Magnetic Fields;
- Boundary Value Problems;
- Electric Current;
- Magnetohydrodynamics;
- Astrophysics