The Formation of the First Quasars. I. The Black Hole Seeds, Accretion and Feedback Models

Qirong Zhu, Yuexing Li, Yiting Li +4

Supermassive black holes (SMBHs) of $\sim 10^9{M}_{\odot }$ are generally believed to be the central engines of the luminous quasars observed at $z\gtrsim 6$, but their astrophysical…