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Solar dynamo theory: a new look at the origin of small-scale magnetic fields

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Fausto Cattaneo and David W Hughes delve beneath the surface of the Sun with numerical models of turbulent convection.

Although magnetic dynamo action is traditionally associated with rotation, fast dynamo theory shows that chaotic flows, even without rotation, can act as efficient small-scale dynamos. Indeed, numerical simulations suggest that granular and supergranular convection may generate locally a substantial part of the field in the quiet photosphere.
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Document Type: Research Article

Affiliations: 1: Assistant Professor in the Department of Mathematics, University of Chicago. 2: Professor and Head of the Department of Applied Mathematics at the University of Leeds.

Publication date: 2001-06-01

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