Does Nature allow formation of ultra-compact black hole X-ray binaries via accretion-induced collapse of neutron stars?

Hai-Liang Chen, Thomas M. Tauris, Xuefei Chen +1

The formation path to ultra-compact X-ray binaries (UCXBs) with black hole (BH) accretors is still unclear. In the classical formation scenario, it is difficult to eject the massiv…