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The effect of photo-ionization on the cooling rates of enriched, astrophysical plasmas
Robert P. C. Wiersma, Joop Schaye, Britton D. Smith
Radiative cooling is central to a wide range of astrophysical problems. Despite its importance, cooling rates are generally computed using very restrictive assumptions, such as col…
Three Modes of Metal-Enriched Star Formation in the Early Universe
Britton D. Smith, Matthew J. Turk, Steinn Sigurdsson +2
Simulations of the formation of Population III (Pop III) stars suggest that they were much more massive than the Pop II and Pop I stars observed today. This is due to the collapse…
Modeling of Emission Signatures of Massive Black Hole Binaries: I Methods
Tamara Bogdanovic, Britton D. Smith, Steinn Sigurdsson +1
We model the electromagnetic signatures of massive black hole binaries (MBHBs) with an associated gas component. The method comprises numerical simulations of relativistic binaries…
Metal Cooling in Simulations of Cosmic Structure Formation
Britton D. Smith, Steinn Sigurdsson, Tom Abel
The addition of metals to any gas can significantly alter its evolution by increasing the rate of radiative cooling. In star-forming environments, enhanced cooling can potentially…
The Transition from the First Stars to the Second Stars in the Early Universe
Britton D. Smith, Steinn Sigurdsson
We observe a sharp transition from a singular, high-mass mode of star formation, to a low-mass dominated mode, in numerical simulations, at a metallicity of 10^-3 Zsolar. We incorp…
Electromagnetic Signatures of Massive Black Hole Binaries
Tamara Bogdanovic, Britton D. Smith, Michael Eracleous +1
We model the electromagnetic emission signatures of massive black hole binaries (MBHBs) with an associated gas component. The method comprises numerical simulations of relativistic…