New results on the mechanism of magnetic flux pumping by three-dimensional convection

Abstract
New calculations are presented to show that the mechanism proposed by Drobyshevski & Yuferev for pumping magnetic flux at the base of a stellar convection zone is radically altered in the case of high magnetic Reynolds number. In consequence the process as they stated it is unlikely to be operating in the Sun, though the revised mechanism may actually be more effective in maintaining magnetic fields at the bottom of the convecting layer.

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