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astro-ph.CO2025
Cosmological Perturbations from a New Approach to Inflation
Brandon Melcher, Arnab Pradhan, Scott Watson
In a previous paper we proposed a new approach to the beginning of inflation -- a lingering universe. The universe begins in a lingering state with a nearly vanishing Hubble parame…
astro-ph.CO2019
Primordial Black Holes and Co-Decaying Dark Matter
Julian Georg, Brandon Melcher, Scott Watson
Models of Co-Decaying dark matter lead to an early matter dominated epoch -- prior to BBN -- which results in an enhancement of the growth of dark matter substructure. If these pri…