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Connecting Reionization to the Local Universe
Marcelo A. Alvarez, Michael T. Busha, Tom Abel +1
We present results of combined N-body and three-dimensional reionization calculations to determine the relationship between reionization history and local environment in a volume 1…
Accretion onto the First Stellar Mass Black Holes
Marcelo A. Alvarez, John H. Wise, Tom Abel
The first stars in the universe, forming at redshifts z>15 in minihalos with masses of order 10^6 Msun, may leave behind black holes as their remnants. These objects could conceiva…
Resolving the Formation of Protogalaxies
John H. Wise
Cosmic structure originated from minute density perturbations in an almost homogeneous universe. The first stars are believed to be very massive and luminous, providing the first i…
Uncertainties in H2 and HD Chemistry and Cooling and their Role in Early Structure Formation
S. C. O. Glover, T. Abel
At low temperatures, the main coolant in primordial gas is molecular hydrogen, H2. Recent work has shown that primordial gas that is not collapsing gravitationally but is cooling f…
Magnetohydrodynamic Simulations of Disk Galaxy Formation: the Magnetization of The Cold and Warm Medium
Peng Wang, Tom Abel
Using magnetohydrodynamic (MHD) adaptive mesh refinement simulations, we study the formation and early evolution of disk galaxies with a magnetized interstellar medium. For a $10^{…
How Very Massive Metal Free Stars Start Cosmological Reionization
John H. Wise, Tom Abel
(Abridged) Using ab initio cosmological Eulerian adaptive mesh refinement radiation hydrodynamical calculations, we discuss how very massive stars start the process of cosmological…