Boson Stars from Self-Interacting Dark Matter

Abstract

We study the possibility that self-interacting bosonic dark matter forms star-like objects. We study both the case of attractive and repulsive self-interactions, and we focus particularly in the parameter phase space where self-interactions can solve well standing problems of the collisionless dark matter paradigm. We find the mass radius relations for these dark matter bosonic stars, their density profile as well as the maximum mass they can support.

12 pages, 6 figures; references added

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• Selected topics in scalar-tensor theories and beyond
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• Core-Halo Mass Relation in Scalar Field Dark Matter Models and its Consequences for the Formation of Supermassive Black Holes
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• On Profiles of Boson Stars with Self-Interactions
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• Decay of Ultralight Axion Condensates
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• Charging the Conformal Window
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• Analysis on the black hole formations inside old neutron stars by isospin-violating dark matter with self-interaction
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