Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-10-11
Phys.Lett. B538 (2002) 246-250
Astronomy and Astrophysics
Astrophysics
8 pages, no figures. Revised version and new references added. More information at http://www.fis.cinvestav.mx/~siddh/PHI/
Scientific paper
In recent papers we have proposed that the dark matter of the Universe could be from scalar field origin. In this letter, we find that if the scale of renormalization of the model is of order of the Planck Mass, then a scalar field $\Phi $ endowed with the scalar potential $V=V_{o}[\cosh {(\lambda \sqrt{\kappa_{0}}\Phi)}-1] can be a reliable model for dark matter in galaxies. The predicted scattering cross section fits the value required for self-interacting dark matter and the additional degree of freedom of the theory is of order of hundreds of TeV.
Matos Tonatiuh
Urena-Lopez Luis Arturo
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