Pangenesis: a common origin for visible and dark matter

Abstract

The similar mass densities observed for visible and dark matter in the present-day universe suggest a common origin for both. A scheme called "pangenesis" for realising this using the Affleck-Dine mechanism in a baryon-symmetric universe is presented in this talk.Comment: 8 pages. Invited talk, CosPA 2011, Beijing Oct 2011, to appear in the proceeding