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A Dynamical Model for Hot Gas in the Galactic Center
Eliot Quataert
Winds from massive stars supply ~ 10^{-3} solar masss/year of gas to the central parsec of the Galactic Center. Spherically symmetric hydrodynamic calculations show that ~ 1 % of t…
On the Viability of Two-temperature Accretion Flows
Eliot Quataert
Binney (2003) has argued that two-temperature radiatively inefficient accretion flow models are unphysical because the electron-ion equipartition time is much shorter than the accr…
Transition from collisionless to collisional MRI
Prateek Sharma, Gregory W. Hammett, Eliot Quataert
Recent calculations by Quataert et al. (2002) found that the growth rates of the magnetorotational instability (MRI) in a collisionless plasma can differ significantly from those c…
Radiatively Inefficient Accretion Flow Models of Sgr A*
Eliot Quataert
I review radiatively inefficient accretion flow models for the 2.6 million solar mass black hole (BH) in the Galactic Center. I argue for a 'concordance model' of Sgr A*: both theo…
Nonthermal Electrons in Radiatively Inefficient Accretion Flow Models of Sagittarius A*
Feng Yuan, Eliot Quataert, Ramesh Narayan
We investigate radiatively inefficient accretion flow models for Sgr A*, the supermassive black hole in our Galactic Center, in light of new observational constraints. Confirmation…