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Angular momentum transport by internal gravity waves in rotating magnetic solar-type stars

Auteur

Mathis stephane

Institution

Laboratoire AIM, CEA/DSM-CNRS-Université Paris Did

Theme

Solar and stellar modelling
Auteur(s) supplémentaire(s)de Brye, Nicolas

Abstract

Internal gravity waves are one of the possible angular momentum transport processes needed to explain the observed quasi-uniform rotation of the solar radiative core. If modeling, which neglect the wave modification by differential rotation and magnetic field, have been successful in predicting such angular velocity profile, it is now necessary to go beyond this first picture since the region of wave excitation, namely the tachocline, is a differentially rotating magnetized region. In this talk, I will thus present the new results we obtain on the main modifications of the wave propagation and induced transport by the Coriolis acceleration, the differential rotation, and the Lorentz force. This will give a complete picture of the internal gravity waves transport of angular momentum taking into account rotation and magnetic field.
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