Scalar Non-Luminous Matter in Galaxies

Details Scalar Non-Luminous Matter in Galaxies Scalar Non-Luminous Matter in Galaxies

2001-11-21

arxiv.org/abs/gr-qc/0111070v1

Int.J.Mod.Phys.A17:555-560,2002

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, no figure, LaTex. Submitted to IJMPA

Scientific paper

10.1142/S0217751X02006092

As a candidate for dark matter in galaxies, we study an SU(3) triplet of complex scalar fields which are non-minimally coupled to gravity. In the spherically symmetric static spacetime where the flat rotational velocity curves of stars in galaxies can be explained, we find simple solutions of scalar fields with SU(3) global symmetry broken to U(1) X U(1), in an exponential scalar potential, which will be useful in a quintessence model of the late-time acceleration of the Universe.

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