Rotational mixing in massive stars and its many consequences

Abstract

Rotation plays a major role in massive star evolution. Rotation produces a significant mixing and enhances the mass loss. All model outputs are influenced. We show how the chemical yields are modified by rotation. Below 30 M⊙, mixing increases the yields of the α-elements and above 30 M⊙ rotational mass loss dominates and enhances the yield in helium. Primary 14N is produced at very low metallicities. © 2006 Springer-Verlag Berlin Heidelberg.