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Paper: |
Plasma Instabilities in Quiescent Prominences |
Volume: |
454, The 3rd Hinode Science Meeting |
Page: |
143 |
Authors: |
Ryutova, M.; Berger, T.; Frank, Z.; Title, A.; Tarbell, T. |
Abstract: |
We study dynamics of quiescent prominences using several data sets taken with
the SOT on Hinode. We find a number of processes occurring at different stages
of the prominence evolution that are common for all the chosen cases, and
having universal character, can be related to a fundamental plasma
instabilities. We combine the observational evidence and theory to identify
these instabilities. Here we discuss only two examples: (1) Coronal cavity
formation under a prominence body and its evolution associated with screw pinch
instability, and (2) Development of a regular series of plumes and spikes
typical to the Rayleigh-Taylor instability modified by solenoidal magnetic
field. |
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