Qualitative analysis of wave propagation in a 3-D magnetic flux tube

Details Qualitative analysis of wave propagation in a 3-D magnetic flux tube Qualitative analysis of wave propagation in a 3-D magnetic flux tube

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..247..355j&link_type=abstract

Waves & Oscillations in the Solar Atmosphere: Heating and Magneto-Seismology, Proceedings of the International Astronomical Unio

Astronomy and Astrophysics

Astronomy

Waves, Sun: Oscillations, Sun: Fluxtube

Scientific paper

In this work wave propagation in a 3-D magnetic flux tube is solved numerically. The aim is to find interaction between kink waves and higher order modes (flute modes).
A 60x60x60 cube is set up, containing a vertically oriented uniform magnetic flux tube, to solve numerically. Waves are observed propagating after triggering them with solution to the linearized system.
The waves propagate acquiring a distinctive shape (seen in the crosscut of the tube at an arbitrary height showing the radial velocity maps). It is discarded that this is caused by the existence of higher order modes and is found that the radial dependence of the phase speed creates the motion.
It was also found that the study of the profile of the radial velocity map of a slice of the system is a very intuitive way of analysing the modes of waves propagating through the flux tube.

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