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Hyper-Eddington mass accretion onto a black hole with super-Eddington luminosity
Yuya Sakurai, Kohei Inayoshi, Zoltán Haiman
We perform one-dimensional radiation hydrodynamical simulations to solve accretion flows onto massive black holes (BHs) with a very high rate. Assuming that photon trapping limits…
Gravitational wave background from Population III binary black holes consistent with cosmic reionization
Kohei Inayoshi, Kazumi Kashiyama, Eli Visbal +1
The recent discovery of the gravitational wave source GW150914 has revealed a coalescing binary black hole (BBH) with masses of . Previous proposals for the origin…
Stellar Tidal Disruption Events by Direct Collapse Black Holes
Kazumi Kashiyama, Kohei Inayoshi
We analyze the early growth stage of direct-collapse black holes (DCBHs) with , which are formed by collapse of supermassive stars in atomic-cooling halo…
Is there a maximum mass for black holes in galactic nuclei?
Kohei Inayoshi, Zoltan Haiman
The largest observed supermassive black holes (SMBHs) have a mass of M_BH ~ 10^{10} M_sun, nearly independent of redshift, from the local (z~0) to the early (z>6) Universe. We sugg…