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Resonant coupling between solar gravity modes

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Abstract

It is shown that in consequence of the parametric resonance, g modes of low spherical harmonic degree l are strongly coupled to the modes of high degree. The coupling limits the growth of low l modes to very small amplitudes. For g 1, l = 1 mode, the final amplitude of the radial velocity is of the order of 10 cm s-1. A mixing of solar core as a result of a finite-amplitude development of linear instability of this mode is thus highly unlikely.

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Proceedings of the 66th IAU Colloquium: Problems in Solar and Stellar Oscillations, held at the Crimean Astrophysical Observatory, U.S.S.R., 1–5 September, 1981.

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Dziembowski, W. Resonant coupling between solar gravity modes. Sol Phys 82, 259–266 (1983). https://doi.org/10.1007/BF00145568

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  • DOI: https://doi.org/10.1007/BF00145568

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