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On arc-polarized structures in the solar wind

Haaland, S. E.; Paschmann, G.; Sonnerup, B. U. Ö.

A theoretical model is proposed to account for some of the behavior of arc-polarized magnetic structures seen in the solar wind. To this end, an exact analytical solution is developed that describes infinite plane wave trains of arbitrary amplitude in a plasma governed by ideal Hall MHD. The main focus is on intermediate-mode wave trains, which di…