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Exploring a different geometry for the solar tachocline in a kinematic solar dynamo model

  • G. A. Guerrero (a1) (a2) and E. M. de Gouveia Dal Pino (a1)

Abstract

Kinematic solar dynamo models (KSDM) that use a solar like differential rotation profile usually fail to reproduce the latitudinal distribution of the toroidal magnetic fields. Usually, it is assumed that it is the larger radial shear present in the solar tachocline at higher latitudes that is the responsible for such results. We here consider variations in the shape and thickness of the tachocline and find that a better distribution of the toroidal fields is obtained when the thickness of the tachocline is $d_1=0.02R_{\odot}$, a smaller value than that conventionally used.

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Exploring a different geometry for the solar tachocline in a kinematic solar dynamo model

  • G. A. Guerrero (a1) (a2) and E. M. de Gouveia Dal Pino (a1)

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