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hep-ph2025
Primordial Black Holes at the Junction
James B. Dent, Bhaskar Dutta, Mudit Rai
Primordial black holes (PBHs) formed during first-order phase transitions provide a powerful link between the early-universe microphysics and observable signatures today, including…
hep-ph2025
Primordial black holes from Q-balls produced in a first-order phase transition
James B. Dent, Bhaskar Dutta, Jason Kumar +1
We consider the formation of Q-balls in false vacuum remnants during a cosmological first-order phase transition. We find that under certain circumstances Q-balls can collapse to f…