Statistics – Applications
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...350..419v&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 350, Feb. 10, 1990, p. 419-427. Research supported by SERC.
Statistics
Applications
31
Coronal Loops, Magnetohydrodynamic Stability, Solar Corona, Solar Magnetic Field, Tearing Modes (Plasmas), Boundary Value Problems, Cylindrical Plasmas, Fourier Series, Photosphere
Scientific paper
A general method for studying the resistive MHD stability of plasma configurations where boundary effects are of crucial importance and can be expressed as additional constraints on a periodic system is presented and applied to the case of line-tied cylindrically symmetric coronal loops. The eigenvalue equations obtained are a generalization of the Freidberg and Hewett equations, to which they reduce when the loop length is made infinite. An application to tearing modes is described which shows that in a finite geometry, tearing takes place at the center of the configuration, corresponding to the vertex of coronal loops. Applications to other configurations of astrophysical interest are described.
Einaudi Giorgio
Hood Alan William
Velli M. M.
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