Nonlinear aspects of the solar coronal heating

P. K. Shukla, R. Bingham, Bengt Eliasson, M. E. Dieckmann, L. Stenflo

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The heating of the solar coronal plasma has remained one of the most important problems in solar physics. An explanation of the electron and ion heating rests on the identification of the energy source and appropriate physical mechanisms via which the energy can be channelled to the plasma particles. In this paper, we discuss two important nonlinear aspects of the electron and ion heating caused by finite amplitude obliquely propagating dispersive Alfven (DA) waves and magnetic field-aligned circularly polarized electromagnetic ion - cyclotron Alfven (EMICA) waves that may exist in the solar terrestrial environment. Specifically, DA waves may contribute to the solar coronal electron heating via Joule heating involving electron - wave interactions, and resonant ion EMICA wave interactions may contribute to differential ion heating in the solar corona.
Original languageEnglish
Pages (from-to)B249-B255
Number of pages7
JournalPlasma Physics and Controlled Fusion
Issue number12B
Publication statusPublished - 1 Dec 2006


  • corona
  • magnetic reconnection
  • magnetohydrodynamic waves
  • Alfven waves
  • plasma heating
  • collisional heating
  • microwaves
  • solar terrestrial environment
  • solar physics


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