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Paper detail

Hints on halo evolution in SFDM models with galaxy observations

A massive, self-interacting scalar field has been considered as a possible candidate for the dark matter in the universe. We present an observational constraint to the model arising from strong lensing observations in galaxies. The result points to a discrepancy in the properties of scalar field dark matter halos for dwarf and lens galaxies, mainly because halo parameters are directly related to physical quantities in the model. This is an important indication that it becomes necessary to have a better understanding of halo evolution in scalar field dark matter models, where the presence of baryons can play an important role.

preprint2012arXivOpen access
Alma X. Gonzalez-MoralesAlberto Diez-TejedorL. Arturo Urena-LopezOctavio Valenzuela
astro-ph.COgr-qc
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Alma X. Gonzalez-MoralesAlberto Diez-TejedorL. Arturo Urena-LopezOctavio Valenzuela

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