Gaseous dynamical friction under radiative feedback: do intermediate-mass black holes speed up or down?

19 Feb 2020 Toyouchi Daisuke Hosokawa Takashi Sugimura Kazuyuki Kuiper Rolf

Coalescence of intermediate-mass black holes (IMBHs) as a result of the migration toward galactic centers via dynamical friction may contribute to the formation of supermassive BHs. Here we reinvestigate the gaseous dynamical friction, which was claimed to be inefficient with radiative feedback from BHs in literature, by performing 3D radiation-hydrodynamics simulations that solve the flow structure in the vicinity of BHs... (read more)

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