Abstract

The outer parts (> 1000 RS) of Active Galactic Nuclei (AGN) disks are expected to become self-gravitating and form stars [6]. Indeed, in our own Galactic Centre a few dozens of young hot stars are confined to two well defined rings of truly nuclear scale (∼ 0.1 pc) [3]. This lends support to theoretical predictions of star formation in accretion disks, but also creates a problem: how do luminous quasars transfer the gas to the super-massive black hole (SMBH) avoiding turning all of this gas into stars [4]? Here we attempt to answer whether the newly born stars can leave the disk midplane, cutting off their further growth by accretion.

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