Self-interacting complex scalar field as dark matter

Details Self-interacting complex scalar field as dark matter Self-interacting complex scalar field as dark matter

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1396..176b&link_type=abstract

VIII WORKSHOP OF THE GRAVITATION AND MATHEMATICAL PHYSICS DIVISION OF THE MEXICAN PHYSICAL SOCIETY. AIP Conference Proceedings,

Mathematics

Mathematical Physics

1

Dark Matter, Relativity, Bose-Einstein Condensation, Cosmology, Dark Matter, Relativity And Gravitation, Dynamic Properties Of Condensates, Collective And Hydrodynamic Excitations, Superfluid Flow, Origin And Formation Of The Universe

Scientific paper

We study the viability of a a complex scalar field χ with self-interacting potential V = m0χ/2|χ|2+h|χ|4 as dark matter. Due to the self interaction, the scalar field forms a Bose-Einstein condensate at early times that represents dark matter. The self interaction is also responsible of quantum corrections to the scalar field mass that naturally give the dark matter domination at late times without any fine tuning on the energy density of the scalar field at early times. Finally the properties of the spherically symmetric dark matter halos are also discussed.

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