A new look at inhomogeneous chemical evolution

Details A new look at inhomogeneous chemical evolution A new look at inhomogeneous chemical evolution

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..101o&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 101-103

Physics

Scientific paper

I present a simple, one-zone, analytic model for inhomogeneous chemical evolution, in the limit of no mixing. This model incorporates an ISM filling factor Q of newly-enriched gas, and Q is as important as the number of generations of star formation. This model can match the metallicity distributions of long-lived stars in the Galactic halo without invoking gas infall or pre-enrichment, and offers an alternative to the Simple, closed-box Model for interpreting the metallicities. The G-dwarf Problem for the Galactic disk also slightly improves.

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