Abstract
High resolution observations of quiescent filaments show oscillations that are strongly tied to their fine threads. It is shown that neither slow nor fast MHD modes may account for the observations, which rather are in accordance with Alfvén waves.
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Jensen, E., Yi, Z. & Engvold, O. Filament oscillations as evidence for Alfvén waves. Sol Phys 149, 209–212 (1994). https://doi.org/10.1007/BF00645191
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DOI: https://doi.org/10.1007/BF00645191