In CEB-obeying models, postulated distributions of primordial black holes decaying to radiation can fit CMB data, account for all dark matter, and seed the early galaxies detected by JWST, with some Planck-scale remnants also contributing to DM.
The Holographic Approach to Cosmology
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abstract
We review the successes and challenges of the holographic approach to cosmology. The model predicts an exactly scale invariant fluctuation spectrum with long and short distance cut-offs. It can account for the observed fluctuations in the CMB and might explain the low power at large scales. We outline various cosmological histories compatible with holographic initial conditions. This paper is based on talks given by the authors at Cosmo 04 in Toronto, and the 2004 Tamura Symposium in Austin
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Can Primordial Black Holes Be Seeds for Early Galaxies in Models Satisfying the Covariant Entropy Bound?
In CEB-obeying models, postulated distributions of primordial black holes decaying to radiation can fit CMB data, account for all dark matter, and seed the early galaxies detected by JWST, with some Planck-scale remnants also contributing to DM.