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Photon Consumption in Minihalos during Cosmological Reionization
Zoltan Haiman, Tom Abel, Piero Madau
At the earliest epochs of structure formation in cold dark matter (CDM) cosmologies, the smallest nonlinear objects are the numerous small halos that condense with virial temperatu…
Simulations of Pregalactic Structure Formation with Radiative Feedback
Marie E. Machacek, Greg L. Bryan, Tom Abel
We present results from three-dimensional hydrodynamic simulations of the high redshift collapse of pregalactic clouds including feedback effects from a soft H2 photodissociating U…
First Structure Formation and the First Stars
Michael L. Norman, Tom Abel, Greg Bryan
We discuss the results of recent 3D simulations of first structure formation in relationship to the formation of the first stars. On the basis of a new, high-resolution AMR simulat…
Three Dimensional Radiative Transfer
Tom Abel
Radiative Transfer (RT) effects play a crucial role in the thermal history of the intergalactic medium. Here I discuss recent advances in the development of numerical methods that…
The Role of H2 Molecules in Cosmological Structure Formation
Tom Abel, Zoltan Haiman
We review the relevance of H2 molecules for structure formation in cosmology. Molecules are important at high redshifts, when the first collapsed structures appear with typical tem…
The Formation and Fragmentation of Primordial Molecular Clouds
Tom Abel, Greg L. Bryan, Michael L. Norman
Many questions in physical cosmology regarding the thermal history of the intergalactic medium, chemical enrichment, reionization, etc. are thought to be intimately related to the…