Microlensing of X-ray Pulsars: a Method to Detect Primordial Black Hole Dark Matter

Yang Bai, Nicholas Orlofsky

Primordial black holes (PBHs) with a mass from $10^{-16}$ to $10^{-11}{M}_{\odot }$ may comprise 100% of dark matter. Due to a combination of wave and finite source size effects, the…