EAS Publications Series
Volume 17, 2005Element Stratification in Stars: 40 Years of Atomic Diffusion
|Page(s)||167 - 176|
|Published online||13 January 2006|
G. Alecian, O. Richard and S. Vauclair (eds)
EAS Publications Series, 17 (2005) 167-176
New generation stellar models with rotation and internal gravity waves: The Li dip revisited
Geneva Observatory, 1290 Sauverny, Switzerland
2 LATT., CNRS UMR 5572, 14 Av. E. Belin, 31400 Toulouse, France
3 Département de Physique, Université de Montréal, CP. 6128, Succursale Centre-Ville, Montréal, Québec, H3C 3J8
In this paper we explore the consequences of the interaction between internal gravity waves, rotation-induced mixing and atomic diffusion on the rotation profile and internal element distribution of main sequence low-mass stars. We present the first fully hydrodynamical models that include self-consistently element and angular momentum redistribution by these three mechanisms. We show how internal gravity waves extract angular momentum from the deep stellar interior and shape the internal rotation profile of solar-type stars. We compare predictions of our models with lithium observations in open cluster stars.
© EAS, EDP Sciences, 2005
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