The solar dynamo is a theoretical model that describes the processes responsible for generating the Sun's magnetic field. It primarily involves the movement of plasma within the Sun, which is composed of electrically charged particles. The dynamo effect is a result of the interaction between the Sun's rotation, its convection currents, and the ionized gases in its interior.
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The solar dynamo is the induction and regeneration of the solar magnetic field by conducting flows powered ultimately by solar convection and rotation. In a mean-field dynamo, differential rotation supplies the Omega effect and helical correlations or the Babcock-Leighton mechanism regenerate a poloidal magnetic field. The mean induction equation iswhere is the mean-field electromotive force. A model must close this correlation and include feedback to predict a saturated magnetic cycle; prescribing a shear alone does not close the regeneration loop.