Corpus ID: 236034327

Feedback-Dominated Accretion Flows

@inproceedings{Gilbaum2021FeedbackDominatedAF,
  title={Feedback-Dominated Accretion Flows},
  author={Shmuel Gilbaum and Nicholas C. Stone},
  year={2021}
}
We present new two-fluid models of accretion disks in active galactic nuclei (AGN) that aim to address the long-standing problem of Toomre instability in AGN outskirts. In the spirit of earlier work by Sirko & Goodman (2003) and others, we argue that Toomre instability is eventually self-regulated via feedback produced by fragmentation and its aftermath. Unlike past semi-analytic models, which (i) adopt local prescriptions to connect star formation rates to heat feedback, and (ii) assume that… Expand

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