Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...265..901s&link_type=abstract
Astrophysical Journal, Part 1, vol. 265, Feb. 15, 1983, p. 901-924.
Astronomy and Astrophysics
Astrophysics
72
Magnetohydrodynamic Stability, Solar Interior, Solar Magnetic Field, Stellar Models, Sun, Buoyancy, Magnetic Flux, Mathematical Models, Solar Rotation
Scientific paper
An investigation of the buoyancy of diffuse magnetic fields has shown that in the presence of rotation, static equilibrium configurations of the toroidal magnetic field and ambient plasma can exist. In that case, the escape of toroidal magnetic flux from the solar interior may be determined by the growth of instabilities which the equilibrium configuration may be subject to. In connection with the present investigation, it is assumed that in the region of toroidal magnetic flux amplification, the magnetic field has not as yet filamented into flux ropes, and is therefore 'diffuse'. A study is conducted of the MHD stability of an electrically conducting and differentially rotating gas in the presence of a toroidal magnetic field, an external constant gravitational field, and radiance pressure. The full dispersion relation for the magnetic buoyancy problem is developed, and the solutions of the dispersion relation are discussed.
Rosner Robert
Schmitt Juergen H. M. M.
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