The Temporal Evolution of Linear Fast and Alfvén MHD Waves in Solar Coronal Arcades

Bibcode
2010hsa5.conf..459R
DOI
10.1007/978-3-642-11250-8_127
Rial, S.; Arregui, I.; Terradas, J.; Oliver, R.; Ballester, J. L.
Bibliographical reference

Highlights of Spanish Astrophysics V, Astrophysics and Space Science Proceedings. ISBN 978-3-642-11249-2. Springer-Verlag Berlin Heidelberg, 2010, p. 459

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0
2010
Number of authors
5
IAC number of authors
0
Citations
0
Refereed citations
0
Description
The excitation and temporal evolution of fast and Alfvén magnetohydrodynamic oscillations in a two-dimensional coronal arcade are investigated. The approach is to consider an equilibrium magnetic and plasma structure and then to introduce a perturbation trying to mimic a nearby disturbance, such as a flare or filament eruption. By numerically solving the time-dependent linearized MHD wave equations, the properties of the solutions have been studied. First, the properties of uncoupled fast and Alfvén waves are described. Then, longitudinal propagation of perturbations is included, and the properties of coupled waves are determined.
Type
Non-refereed

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