期刊
PHYSICS LETTERS B
卷 671, 期 1, 页码 174-178出版社
ELSEVIER
DOI: 10.1016/j.physletb.2008.11.044
关键词
Dark matter; Universal axion; Scalar field models; Halos; Rotation curves; Galaxy clusters
资金
- SNI
Localized solutions of an axion-like scalar model with a periodic self-interaction are analyzed as a model of dark matter halos. It is shown that Such a cold Bose-Einstein type condensate can provide a substantial contribution to the observed rotations curves of galaxies, as well provide a soliton type interpretation of the dark matter 'bullets' observed via gravitational lensing in merging clusters. (C) 2008 Elsevier B.V. All rights reserved.
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