Arnab Rai Choudhuri, Dibyendu Nandy
Abstract
Solar dynamo models based on differential rotation inferred from helioseismology tend to produce rather strong magnetic activity at high solar latitudes, in contrast to the observed fact that sunspots appear at low latitudes. We show that a meridional circulation penetrating below the tachocline can solve this problem.
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Solar dynamo models based on differential rotation inferred from helioseismology tend to produce rather strong magnetic activity at high solar latitudes, in contrast to the observed fact that sunspots appear at low latitudes. We show that a meridional circulation penetrating below the tachocline can solve this problem.
Key concepts: Dynamo, Tachocline, Helioseismology, Differential rotation, Solar dynamo, Sunspot, Solar rotation, Physics