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Title:
Note on the Initial Value Problem for Coronal Loop Kink Waves
Authors:
Cally, P. S.
Affiliation:
AA(Centre for Stellar and Planetary Astrophysics, School of Mathematical Sciences, Monash University)
Publication:
Solar Physics, Volume 233, Issue 1, pp.79-87 (SoPh Homepage)
Publication Date:
01/2006
Origin:
SPRINGER
DOI:
10.1007/s11207-006-2653-1
Bibliographic Code:
2006SoPh..233...79C

Abstract

Simple fluxtube models of coronal loops have previously been found to support leaky oscillations, where energy escapes from the tube laterally, thereby damping the mode. Of particular interest is the Principal Fast Leaky Kink mode (PFLK), which may be implicated in the decay of loop oscillations observed by TRACE. However, recently, M.S. Ruderman and B. Roberts, J. Plarma Phys. (in press), claimed that the PFLK mode, and many other leaky modes of oscillation, are unphysical, based on an initial value calculation. In this note, their arguments are shown to be incorrect.
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