Tan's "Pop III.1" framework proposes that these black holes originated from the first generation of stars - massive "Population III.1" stars - whose growth was fueled by dark matter annihilation. The theory, consistent with JWST observations, suggests these giant stars left behind black holes while also producing intense radiation that ionized surrounding hydrogen gas almost instantly.
"Our model requires that the supermassive star progenitors of the black holes rapidly ionized the hydrogen gas in the universe, announcing their birth with bright flashes that filled all of space," Tan explained. He noted that this early ionization phase could help address cosmological puzzles such as the Hubble Tension, dynamic dark energy, and hints of negative neutrino masses.
Richard Ellis, a leading observational cosmologist at University College London, called the work "an elegant model" that points to a two-stage process of star formation and ionization. He suggested the first stars may have appeared in a short-lived flash, then disappeared, leaving current telescopic views to capture only a later generation.
Research Report:Flash Ionization of the Early Universe by Pop III.1 Supermassive Stars
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