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      Non linear evolution of Alfvén wave in the solar atmosphere

      Verdini, A.; Velli, M.; Oughton, Sean
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      Verdini, A., Velli, M., & Oughton, S. (2005). Non linear evolution of Alfvén wave in the solar atmosphere. In Proceedings of the Solar Wind 11 / SOHO 16, Connecting Sun and Heliosphere Conference (ESA SP-592).
      Permanent Research Commons link: https://hdl.handle.net/10289/8594
      Abstract
      We investigate the non-linear evolution of Alfvén waves in the solar atmosphere and wind, from the photosphere out to the Earth’s orbit. Photosphere and chromosphere are modeled as isothermal layers in static equilibrium, connecting across the transition region with a corona and wind. Nonlinear coupling between waves propagating in opposite directions is modeled by a phenomenological term containing an integral turbulent length scale. Spectrum modifications remain similar to what is found in a linear analysis and some characteristic features - i.e. oscillations at higher frequencies- persist despite nonlinear interactions.
      Date
      2005
      Type
      Conference Contribution
      Publisher
      Published on CDROM
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      • Computing and Mathematical Sciences Papers [1454]
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