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1 results

  • P-mode induced convective collapse in vertical expanding magnetic flux tubes?

  • D. Utz, T. Van Doorsselaere, N. Magyar, M. Bárta, J. I. Campos Rozo
  • Journal:
    Proceedings of the International Astronomical Union / Volume 12 / Issue S327 / October 2016
    Published online by Cambridge University Press:
    12 September 2017, pp. 86-93
    Print publication:
    October 2016
    • Article
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  • Small-scale kG strong magnetic field elements in the solar photosphere are often identified as so-called magnetic bright points (MBPs). In principle these MBPs represent the cross-section of a vertical, strong, magnetic flux tube which is expanding with height in the solar atmosphere. As these magnetic elements represent possible MHD wave guides, a significant interest has been already paid to them from the viewpoint of observations and simulations. In this work we would like to shed more light on a possible scenario for the creation of such strong magnetic field concentrations. The accepted standard scenario involves the convective collapse process. In this ongoing work we will show indications that this convective collapse process may become triggered by sufficiently strong pressure disturbances. However, it is highly unlikely that p-mode waves can be of such a strength.