A unified Scenario for modeling the Galactic and Cosmological Dark   Matter Components
  In this work we analyze the viability of use a particular models of scalar fields in the context of the galactic dark matter problem. These models are based on a single scalar field, minimally coupled to the gravity in a asymptotically flat or asymptotically deSitter spacetime. We discuss the opening possibility of constructing a unified model for both the cosmological and the galactic dark matter. 
Jose A. Gonzalez and Daniel Sudarsky