σ-stability analysis of toroidal magnetic fields in stars
作者:
M. Goossens,
期刊:
Geophysical & Astrophysical Fluid Dynamics
(Taylor Available online 1980)
卷期:
Volume 15,
issue 1
页码: 123-147
ISSN:0309-1929
年代: 1980
DOI:10.1080/03091928008241174
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This study uses σ-stability analysis to explore the hydromagnetic instabilities of a star with an axisymmetric toroidal magnetic field. Necessary and sufficient conditions for σ-stability are derived and are used to obtain the maximum growth rate (MGR) of instability. The concepts determining the point of MGR and the σ-stability line are introduced as rigorous tools to investigate the instabilities.
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