The stability of solar coronal loops with realistic photospheric boundary conditions

Details The stability of solar coronal loops with realistic photospheric boundary conditions The stability of solar coronal loops with realistic photospheric boundary conditions

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....97..232v&link_type=abstract

Astronomy and Astrophysics, vol. 97, no. 2, Apr. 1981, p. 232-234.

Astronomy and Astrophysics

Astrophysics

34

Boundary Conditions, Coronal Loops, Magnetohydrodynamic Stability, Photosphere, Solar Corona, Convergence, Differential Equations, Perturbation Theory, Solar Magnetic Field

Scientific paper

Finite-length effects are the primary influence for the MHD stability of coronal loops. This paper gives a new physical description of the photospheric boundary conditions, and the first complete and uniformly convergent initial-perturbation set. A general energy-principle (or variational) stability analysis is then developed. The results of this calculation show that large classes of cylindrical-symmetry perturbations, those with separable contributions to the energy integral, are completely stable. Comparisons are also made with other more restrictive formulations of this problem.

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