We report on a study of the natural warm inflationary paradigm (WNI). We show
    two important new results arise in this model. One is that the observational
    constraints on the primordial power spectrum from the cosmic microwave
    background (CMB) can be satisfied without going beyond the Planck scale of the
    effective field theory. The second is that WNI can inevitably provide perfect
    conditions for the production of primordial black holes (PBHs) in the golden
    window of black-hole mass range ($10^{-16} -10^{-11}M_{\odot}$) where it can
    account for all of the the dark matter content of the universe while satisfying
    observational constraints.

    Source link


    Leave A Reply