Models of disk chemical evolution focusing the pure dynamical radial mixing
INAF, Astronomical Observatory of Torino, Italy
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We performed N-body simulations to study the dynamical evolution of a stellar disk inside a Dark Matter (DM) halo. Our results evidence how a standard -radially decreasing- metallicity gradient produces a negative vϕ vs. [Fe/H] correlation, similar to that shown by the thin disk stars, while an inverse radial gradient generates a positive rotation-metallicity correlation, as that observed in the old thick population.
© Owned by the authors, published by EDP Sciences, 2012