Galactic dark matter halo made of spin-zero bosons

Details Galactic dark matter halo made of spin-zero bosons Galactic dark matter halo made of spin-zero bosons

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..335b&link_type=abstract

INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 335-342 (2010).

Physics

2

Dark Matter, Galaxies, Gravity, Dark Matter, Galactic Halo, Gravitational Fields

Scientific paper

Scalar Field Dark Matter models, in which the dark matter particle is a spin-0 boson, are becoming a serious alternative to the Cold Dark Matter paradigm. In the present work, we have constructed gravitational-bounded configurations made of massive spin zero bosons that can be used as models for galactic dark matter halos. These configurations are constructed in the context of Einstein's General Relativity and contrary to previous studies, where the bosons populate only the ground state, different excited states are coexisting simultaneously. We show that these `mixed states' are stable under radial perturbations and that they provide more realistic rotation curves than single configurations.

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