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Internal solar rotation and the boundary layer non-linear dynamo

  • Part V Inverse Problems of Solar Oscillations
  • Conference paper
  • First Online:
Progress of Seismology of the Sun and Stars

Part of the book series: Lecture Notes in Physics ((LNP,volume 367))

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Abstract

Most recent helioseismological results suggest the location of dynamo action in the boundary layer between the radiative and convective zones. This is confirmed by some preliminary results of a non-linear dynamo model in a spherical shell (0.05 Re thick, with full time and latitude resolution. The internal solar rotation profile deduced by helioseismological data is assumed. Periodic symmetric regime is found for negative helicity and absolute values of the dynamo number of order unity. These small values are compatible with the steep radial angular velocity gradient in the boundary layer.

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Author information

Authors and Affiliations

  1. Istituto di Astronomia, University di Catania, Italy

    G. Belvedere & G. Lanzafame

  2. Department of Applied Mathematics and Theoretical Physics, University of Cambridge, England

    M. R. E. Proctor

Authors
  1. G. Belvedere
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  2. M. R. E. Proctor
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  3. G. Lanzafame
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Editor information

Y. Osaki H. Shibahashi

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© 1990 Springer-Verlag

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Belvedere, G., Proctor, M.R.E., Lanzafame, G. (1990). Internal solar rotation and the boundary layer non-linear dynamo. In: Osaki, Y., Shibahashi, H. (eds) Progress of Seismology of the Sun and Stars. Lecture Notes in Physics, vol 367. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-53091-6_101

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  • DOI: https://doi.org/10.1007/3-540-53091-6_101

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-53091-6

  • Online ISBN: 978-3-540-46645-1

  • eBook Packages: Springer Book Archive

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