Derivation of the amplitude equations of acoustic modes of an unstable semi-infinite polytrope |
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| Authors: | Jean-Pierre Poyet |
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| Institution: | 1. Observatoire du Pic-du-Midi et de Toulouse, 14 Avenue Edouard Belin, 31400, Toulouse, France
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| Abstract: | The coupling of non-radial pulsations and convection is studied on a simple example: an unstable semi-infinite polytrope. An expansion is proposed and the equations that should describe correctly the pulsations are isolated. The additional complications of the real solar case are discussed at the end. |
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