The Effects of Magnetic-field Geometry on Longitudinal Oscillations of Solar Prominences
We investigate the influence of the geometry of the solar filament magnetic structure on the large-amplitude longitudinal oscillations. A representative filament flux tube is modeled as composed of a cool thread centered in a dipped part with hot coronal regions on either side. We have found the normal modes of the system and establish that the
Luna, M. et al.
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2012