Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..895..141b&link_type=abstract
FIFTY YEARS OF ROMANIAN ASTROPHYSICS. AIP Conference Proceedings, Volume 895, pp. 141-146 (2007).
Astronomy and Astrophysics
Astrophysics
Magnetohydrodynamics And Plasmas, Mhd Waves, Plasma Waves, Turbulence, Coronal Loops, Streamers
Scientific paper
One of the most interesting processes in solar and astrophysical plasmas is the complicated interaction of plasma motions with magnetic fields. These media are highly non-uniform and as a consequence are a natural environment for magnetohydrodynamic (MHD) waves. The propagation of waves in vertical thin flux tubes.embedded in a vertically stratified plasma in the presence of viscosity is shown to be governed by the Klein-Gordon-Burgers (KGB) equation which is solved assuming an isothermal medium in hydrostatic equilibrium surrounded by a quiescent environment. The results presented here can be applied to, e.g. study the propagation of MHD waves generated by the granular buffeting motion in thin magnetic photospheric tubes or the propagation of impulsively generated waves in coronal loops.
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