Evolution of twisted magnetic fields
The magnetic field of the solar corona evolves quasistatically in response to slowly changing photospheric boundary conditions. The magnetic topology is preserved by the low resistivity of the solar atmosphere. We show that a magnetic flux coordinate system simplifies the problem of calculating field evolution with invariant topology. As an example, we calculate the equilibrium of a thin magnetic flux tube with small twist per unit length.
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- Resource Type:
- Technical Report
- Research Org:
- Princeton Univ., NJ (USA). Plasma Physics Lab.
- Country of Publication:
- United States
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; MAGNETIC FIELD CONFIGURATIONS; SOLAR CORONA; BOUNDARY CONDITIONS; MAGNETIC FLUX; PHOTOSPHERE; ATMOSPHERES; SOLAR ATMOSPHERE; STELLAR ATMOSPHERES; STELLAR CORONAE; 640104* - Astrophysics & Cosmology- Solar Phenomena; 700202 - Fusion Power Plant Technology- Magnet Coils & Fields
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