A model for halo formation with axion mixed dark matter

摘要: There are several issues to do with dwarf galaxy predictions in the standard CDM cosmology that have suscitated much recent debate about possible modication of nature dark matter as providing a solution. We explore novel solution involving ultra-light axions can potentially resolve missing satellites problem, cusp-core and ‘too big fail’ problem. discuss approximations non-linear structure formation models containing component across four orders magnitude mass, 10 24 eV . ma 20 eV, range too heavy be well constrained by linear cosmological probes such CMB power spectrum, light/non-interacting for other astrophysical or terrestrial axion searches. nd an mass 21 contributing approximately 85% total introduce signicant kpc