Magnetosphere-ionosphere coupling by Alfvén waves: Beyond current continuity

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Abstract

Many numerical models of magnetospheric dynamics treat the ionosphere as an inner boundary condition. These models have traditionally used the current continuity condition, treating the ionosphere as a sheet current in which the electric field is electrostatic. A more general boundary condition is suggested that not only is more complete, but also straightforward to implement. Results from a model using this boundary condition applied to the excitation of field line resonances in the magnetosphere are presented.

Original languageEnglish (US)
Pages (from-to)1713-1719
Number of pages7
JournalAdvances in Space Research
Volume38
Issue number8
DOIs
StatePublished - Jan 1 2006

Keywords

  • Alfvén waves
  • Magnetosphere-ionosphere coupling
  • Numerical modeling

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