Quintessence-like Dark Matter in Spiral Galaxies
Abstract
Through the geodesic analysis of a static and axially symmetric space time, we present conditions on the state equation of an isotropic perfect fluid p=ωd, when it is considered as dark matter in spiral galaxies. The main conclusion is that it can be an exotic fluid (-1<ω<-1/3) as it is found for Quintessence at cosmological scale.
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