A single small-scale perturbation can form ultralight black holes during a break in inflation and heavier black holes after inflation, linking reheating to dark matter.
2, we assume that PBH2 are al- ways subdominant to PBH1 before they evaporate, i.e, ρPBH2≪ ρPBH1
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The Dual Primordial Black Hole Formation Scenario
A single small-scale perturbation can form ultralight black holes during a break in inflation and heavier black holes after inflation, linking reheating to dark matter.