The origin of the solar magnetic cycle
Arnab Rai Choudhuri
TL;DR
This paper reviews observational data and discusses flux tube dynamics and flux transport dynamo models to understand the solar magnetic cycle and sunspot formation, highlighting successes and limitations in modeling solar activity.
Contribution
It provides an integrated overview of flux tube dynamics and dynamo models, evaluating their effectiveness in explaining the solar magnetic cycle and sunspot phenomena.
Findings
Flux tube dynamics are crucial for sunspot formation.
Flux transport dynamo models can replicate the solar cycle.
Models show limitations in predicting cycle irregularities.
Abstract
After summarizing the relevant observational data, we discuss how a study of flux tube dynamics in the solar convection zone helps us to understand the formation of sunspots. Then we introduce the flux transport dynamo model and assess its success in modelling both the solar cycle and its departures from strictly periodic behaviour.
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