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Small-scale dynamo magnetism as the driver for heating the solar atmosphere

Author

Listed:
  • Tahar Amari

    (Centre de Physique Théorique, Ecole Polytechnique, CNRS)

  • Jean-François Luciani

    (Centre de Physique Théorique, Ecole Polytechnique, CNRS)

  • Jean-Jacques Aly

    (AIM – Unité Mixte de Recherche CEA – CNRS – Université Paris VII, UMR no. 7158, Centre d’Etudes de Saclay)

Abstract

A model of the heating of the quiet Sun, in which magnetic fields are generated by a subphotospheric fluid dynamo intrinsically connected to granulation, shows fields expanding into the chromosphere, where plasma is heated at the rate required to match observations by small-scale eruptions that release magnetic energy and drive sonic motions, while the corona is heated by the dissipation of Alfvén waves.

Suggested Citation

  • Tahar Amari & Jean-François Luciani & Jean-Jacques Aly, 2015. "Small-scale dynamo magnetism as the driver for heating the solar atmosphere," Nature, Nature, vol. 522(7555), pages 188-191, June.
    • Handle: RePEc:nat:nature:v:522:y:2015:i:7555:d:10.1038_nature14478
    DOI: 10.1038/nature14478
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