Dynamo Processes in Stars

Weiss, N. O.

doi:10.1007/978-94-009-2401-7_2

N. O. Weiss²

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 156))

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Abstract

Our understanding of stellar dynamos rests on detailed study of the Sun and recent observations of magnetic activity in other late-type stars. The interaction between rotation and convection leads to differential rotation and cyclonic eddies (possessing net helicity) which are parametrized in mean-field dynamo models. Nonlinear solutions provide examples of chaotic time-dependent behaviour and illustrate the development of complicated spatial structure. However, it is difficult to extrapolate from slow rotators like the Sun to rapidly rotating, highly active stars.

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N. O. Weiss

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Institute of Astronomy, University of Catania, Italy
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Weiss, N.O. (1989). Dynamo Processes in Stars. In: Belvedere, G. (eds) Accretion Disks and Magnetic Fields in Astrophysics. Astrophysics and Space Science Library, vol 156. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2401-7_2

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