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Linear Waves in Force-Free Fibrils

Published online by Cambridge University Press:  12 April 2016

Y.D. Zhugzhda
Y.D. Zhugzhda*
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, Schöneckstr 6, D–79104 Freiburg, GermanyE-mail:yuzef@kis.uni-freiburg.de

Abstract

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The advanced thin flux tube approximation for force-free thin magnetic flux tubes is used to derive a dispersion relation for linear waves. All wave modes appear to be coupled in a twisted flux tube. In the case of a weakly twisted flux tube, it has been found that torsional Alfvén waves have dispersion and produce pressure and temperature fluctuations. The effect of tube rotation is pointed out. These properties of linear waves have an impact on prominence oscillations.

Type
Filaments and Their Environment
Information
International Astronomical Union Colloquium , Volume 167: New Perspectives on Solar Prominences , 1998 , pp. 155 - 158
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

Roberts, B. and Webb, A.R. 1978, Solar Phys., 56, 5 Google Scholar
Zhugzhda, Y.D. 1996, Phys. Plasmas, 3, 10 Google Scholar