Nonminimal Global Monopoles and Astrophysical Implications

Details Nonminimal Global Monopoles and Astrophysical Implications Nonminimal Global Monopoles and Astrophysical Implications

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet.1652n&link_type=abstract

"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R

Physics

Scientific paper

It is well known that the flat rotation curves (FRC) in spiral galaxies reveal the presence of a dark component with a mass contribution which is approximatively ten times larger that the contribution of the visible matter (baryonic matter). The simplest dark matter models for galaxies should in principle explain both the missing matter and the FRC. A clue for the nature of the dark matter in galaxies arises from a simple Newtonian analysis of the RC which indicates that the energy density associated with such a matter should decrease as ~ 1/r2 for the "tangential" velocity of the gas and stars to be constant ...

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