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On the Stability of Magnetic Flux Tubes in the Equator of a Star

Published online by Cambridge University Press:  19 July 2016

A. Ferriz-Mas  and
M. Schüssler
A. Ferriz-Mas
Affiliation:
Kiepenheuer–Institut für Sonnenphysik, Schöneckstr. 6 D-W-7800 Freiburg, Germany
M. Schüssler
Affiliation:
Kiepenheuer–Institut für Sonnenphysik, Schöneckstr. 6 D-W-7800 Freiburg, Germany

Abstract

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We consider the linear stability of a toroidal flux tube lying in the equatorial plane of a differentially rotating star and investigate its dependence on superadiabaticity, magnetic field strength, and gradient of angular velocity.

Keywords

MHD stabilityMagnetic flux tubesDynamo theorySun
Type
1. The Solar Dynamo
Information
Symposium - International Astronomical Union , Volume 157: The Cosmic Dynamo , 1993 , pp. 45 - 48
Copyright
Copyright © Kluwer 1993 

References

Ferriz–Mas, A. and Schüssler, M.: 1993, ‘Instabilites of magnetic flux tubes in a stellar convection zone. I: Toroidal flux tubes in differentially rotating stars’, GAFD , in press Google Scholar
Moreno–Insertis, F.: 1992, ‘The motion of magnetic flux tubes in the convection zone and the subsurface origin of active regions’, in Sunspots, Theory and Observations , eds., Thomas, J.H. and Weiss, N.O., Kluwer:Dordrecht, p. 385.CrossRefGoogle Scholar
Moreno–Insertis, F., Schüssler, M. and Ferriz–Mas, A.: 1992, ‘Storage of magnetic flux tubes in a convective overshoot region.’, Astron. Astrophys. 264, 686 Google Scholar
Parker, E.N.: 1975, ‘The generation of magnetic fields in astrophysical bodies. X. Magnetic buoyancy and the solar dynamo.’, Astrophys. J. 198, 205 Google Scholar
Spruit, H.C.: 1981, ‘Motion of magnetic flux tubes in the solar convection zone and chromosphere’, Astron. Astrophys. 98, 155 Google Scholar
Spruit, H.C. and van Ballegooijen, A.A.: 1982, ‘Stability of toroidal flux tubes in stars’, Astron. Astrophys. 106, 58 Google Scholar
van Ballegooijen, A.A.: 1983, ‘On the stability of toroidal flux tubes in differentially rotating stars’, Astron. Astrophys. 118, 275 Google Scholar