We study the production of heavy, $\mu \gtrsim 1\mathrm{TeV}$, bosonic spin $s=0$, 1 dark matter (DM) via the simultaneous processes of Hawking evaporation and superradiance (SR) from an initial population of small, $\lesssim {10}^6\mathrm{kg}$, primordial black holes (PBHs). Even for small initial PBH spins, the SR process can produce extremely dense gravitationally bound DM Bose or Proca soliton “stars” of radius $\lesssim \mathrm{pm}$ and mass $\sim 10^{\mathrm{few}}\mathrm{kg}$ that can survive to today, well after PBH decay. These solitons can constitute a significant fraction of the DM density, rising to $\gtrsim 50\%$ in the vector DM case.

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• Classical solutions in field theory
• Cosmology
• Dark matter
• General relativity
• Particle dark matter
• Particle production
• Quantum aspects of black holes