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Arregui I, Van Doorsselaere T, Andries J, et al. Quasi-mode damping in two-dimensional fully non-uniform coronal loops. Philos Trans A Math Phys Eng Sci. 2006;364(1839):529-32doi: 10.1098/rsta.2005.1714.
Arregui, I., Van Doorsselaere, T., Andries, J., Goossens, M., & Kimpe, D. (2006). Quasi-mode damping in two-dimensional fully non-uniform coronal loops. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 364(1839), 529-32. https://doi.org/10.1098/rsta.2005.1714
Arregui, I, et al. "Quasi-mode damping in two-dimensional fully non-uniform coronal loops." Philosophical transactions. Series A, Mathematical, physical, and engineering sciences vol. 364,1839 (2006): 529-32. doi: https://doi.org/10.1098/rsta.2005.1714
Arregui I, Van Doorsselaere T, Andries J, Goossens M, Kimpe D. Quasi-mode damping in two-dimensional fully non-uniform coronal loops. Philos Trans A Math Phys Eng Sci. 2006 Feb 15;364(1839):529-32. doi: 10.1098/rsta.2005.1714. PMID: 16414895.
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Philos Trans A Math Phys Eng Sci. 2006 Feb 15;364(1839):529-32. doi: 10.1098/rsta.2005.1714.

Quasi-mode damping in two-dimensional fully non-uniform coronal loops.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

I Arregui, T Van Doorsselaere, J Andries, M Goossens, D Kimpe

Affiliations

  1. Centre for Plasma Astrophysics, K. U. Leuven, Celestijnenlaan 200B, 3001 Heverlee, Belgium. [email protected]

PMID: 16414895 DOI: 10.1098/rsta.2005.1714

Abstract

Resonantly damped fast kink quasi-modes are computed in fully resistive magnetohydrodynamics for fully non-uniform two-dimensional equilibrium models. The equilibrium model is a straight cylindrically symmetric flux tube with a plasma density that is non-uniform both across and along the loop. The variation of density across the loop can cover the whole loop. Our results indicate that the period and damping of coronal loop oscillations mainly depend on the density contrast and the inhomogeneity length-scale and are independent of the details of longitudinal stratification. This study extends previous studies on coronal loop oscillations, and allows for a better comparison between observations and theory.

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