Kinematic dynamo wave in the vicinity of the solar poles

Abstract

We consider a dynamo wave in the solar convective shell for the kinematic $\alpha \omega$-dynamo model. The spectrum and eigenfunctions of the corresponding equations are derived analytically with the aid of the WKB method. Our main aim here is to investigate the dynamo wave behavior in the vicinity of the solar poles. Explicit expressions for the incident and reflected waves are obtained. The reflected wave is shown to be relatively weak in comparison to the incident wave. The phase shifts and the ratio of amplitudes of the two waves are found.

20 pages, 2 EPS figures

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