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Fast and Alfvén MHD Waves in Sheared Coronal Arcades

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Highlights of Spanish Astrophysics II

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Abstract

The magnetohydrodynamic modes of oscillation of a force-free, sheared coronal arcade are investigated. The approach is to consider the general equations for this type of equilibrium and then to introduce small perturbations. The linearised momentum equation then results in two coupled partial differential equations for the velocity components in the directions normal and perpendicular to the equilibrium magnetic field. A numerical code is used to solve the resulting system of coupled partial differential equations and its accuracy has been checked by numerically solving a case for which analytical or simple numerical solutions exist.

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References

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Author information

Authors and Affiliations

  1. Departament de Física, Universitat de les Illes Balears, E-07071, Palma de Mallorca, Spain

    I. Arregui, R. Oliver & J. L. Ballester

Authors
  1. I. Arregui
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  2. R. Oliver
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  3. J. L. Ballester
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Editor information

Editors and Affiliations

  1. Department of Astrophysics, Universidad Complutense, Madrid, Spain

    Jaime Zamorano , Javier Gorgas  & Jesús Gallego ,  & 

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© 2001 Springer Science+Business Media Dordrecht

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Arregui, I., Oliver, R., Ballester, J.L. (2001). Fast and Alfvén MHD Waves in Sheared Coronal Arcades. In: Zamorano, J., Gorgas, J., Gallego, J. (eds) Highlights of Spanish Astrophysics II. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1776-2_58

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  • DOI: https://doi.org/10.1007/978-94-017-1776-2_58

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5705-1

  • Online ISBN: 978-94-017-1776-2

  • eBook Packages: Springer Book Archive

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