2DRHD Simulations of superEddington BH accretion disks

1
2D-RHD Simulations of super-Eddington BH
accretion disks Ken OHSUGA (RIKEN, JAPAN)
Ohsuga 2007, ApJ, 659, 205
Ohsuga et al. 2005, ApJ, 628, 368
Radiative Driven Outflow
z/rs
Accretion Disks
M-? relation (see Silk Rees 98 King 03)
BH
r/rs

• Conc.
• Quasi-steady super-Eddington disk accretion is
  possible.
• M-? relation is established if mass-supply rate
  is several M?/yr (MBH/108 M?).
• SMBHs can form at a short timescale of 107-8yr.