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Observational evidence suggests that the majority of stars may have been bornin stellar clusters or associations. Within these dense environments, dynamicalinteractions lead to high rates of close stellar encounters. A variety ofrecent observational and theoretical indications suggest stellar-mass blackholes may be present and play an active dynamical role in stellar clusters ofall masses. In this study, we explore the tidal disruption of main sequencestars by stellar-mass black holes in young star clusters. We compute a suite ofover 3000 independent $N$-body simulations that cover a range in cluster mass,metallicity, and half-mass radii. We find stellar-mass black hole tidaldisruption events (TDEs) occur at an overall rate of up to roughly$200\,\rm{Gpc}^{-3}\,\rm{yr}^{-1}$ in young stellar clusters in the localuniverse. These TDEs are expected to have several characteristic features,namely fast rise times of order a day, peak X-ray luminosities of at least$10^{44}\,\rm{erg\,s}^{-1}$, and bright optical luminosities (roughly$10^{41}-10^{44}\,\rm{erg\,s}^{-1}$) associated with reprocessing by a diskwind. In particular, we show these events share many features in common withthe emerging class of Fast Blue Optical Transients.

Fast Optical Transients from Stellar-Mass Black Hole Tidal Disruption Events in Young Star Clusters