Scalar Field Dark Matter, Cross Section and Planck-Scale Physics

Abstract

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 {(λ\sqrt{κ_{0}}Φ)}-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.

8 pages, no figures. Revised version and new references added. More information at http://www.fis.cinvestav.mx/~siddh/PHI/

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Cited by in corpus (13)

• Newtonian Collapse of Scalar Field Dark Matter
• Galactic Collapse of Scalar Field Dark Matter
• ${\varphi }^2$ as Dark Matter
• Complex scalar field dark matter on galactic scales
• Supermassive black holes in scalar field galaxy halos
• Scalar Dark Matter From Theory Space
• Ruling Out Bosonic Repulsive Dark Matter in Thermal Equilibrium
• Astrophysical Constraints on Scalar Field Models
• Stellar polytropes and Navarro-Frenk-White halo models: comparison with observations
• Revisiting perfect fluid dark matter: Observational constraints from our galaxy
• Description of the evolution of inhomogeneities on a Dark Matter halo with the Vlasov equation
• One-parametric description for scalar field dark matter potentials
• On particle scattering in Gross-Pitaevskii theory and implications for dark matter halos