HOW FAR CAN MINIMAL MODELS EXPLAIN THE SOLAR CYCLE?

HOW FAR CAN MINIMAL MODELS EXPLAIN THE SOLAR CYCLE?

A physically consistent model of magnetic field generation by convection in a rotating spherical shell with a minimum of parameters is applied to the Sun. Despite its unrealistic features the model exhibits a number of properties resembling those observed on the Sun. The model suggests the importanc...

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Veröffentlicht in:The Astrophysical journal 2012-04, Vol.749 (1), p.1-5
Hauptverfasser: SIMITEV, R. D, BUSSE, F. H
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
AXIAL SYMMETRY
CONVECTION
Convection modes
Earth, ocean, space
Exact sciences and technology
MAGNETIC FIELDS
MAGNETOHYDRODYNAMICS
Mathematical models
Rotating
Rotating generators
SOLAR CYCLE
Solar cycles
Spherical shells
SUN
SUNSPOTS
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Beschreibung
Zusammenfassung:A physically consistent model of magnetic field generation by convection in a rotating spherical shell with a minimum of parameters is applied to the Sun. Despite its unrealistic features the model exhibits a number of properties resembling those observed on the Sun. The model suggests the importance of the non-axisymmetric m = 1 or m = 2 component of the magnetic field for the large-scale solar dynamo.
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637x/749/1/9