EAS Publications Series
Volume 26, 2007Stellar Evolution and Seismic Tools for Asteroseismology - Diffusive Processes in Stars and Seismic Analysis
|Page(s)||37 - 48|
|Published online||20 June 2007|
C.W. Straka, Y. Lebreton and M.J.P.F.G. Monteiro (eds)
EAS Publications Series, 26 (2007) 37-48
Atomic Diffusion and Radiative Accelerations in Stars
LUTH (Observatoire de Paris – CNRS),
Observatoire de Meudon, 92195 Meudon Cedex, France
Corresponding author: firstname.lastname@example.org
Atomic diffusion can have detectable effects in many kinds of stars, each time that mixing processes are not efficient enough to prevent the build up of abundance stratifications. In this talk, after presentation of some general aspects about diffusion processes in stars, I will discuss the role of radiative acceleration which is one of the important quantities determining diffusion velocities. I will also discuss some aspects specific to stellar atmospheres, in particular for stars exhibiting strong magnetic fields.
© EAS, EDP Sciences, 2007
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