225 citations · 2.1k across the 36 of their papers we have counts for
4 papers · 1 filter
Pathways to massive black holes and compact star clusters in pre-galactic dark matter haloes with virial temperatures > 10000K
John A. Regan, Martin G. Haehnelt
Large dynamic range numerical simulations of atomic cooling driven collapse of gas in pre-galactic DM haloes with T_vir ~ 10000 K show that the gas loses 90% and more of its angula…
The formation of compact massive self-gravitating discs in metal-free haloes with virial temperatures of ~ 13000-30000 K
John A. Regan, Martin G. Haehnelt
We have used the hydrodynamical AMR code ENZO to investigate the dynamical evolution of the gas at the centre of dark matter haloes with virial velocities of ~ 20 - 30 kms and viri…
Inside-out or Outside-in: The topology of reionization in the photon-starved regime suggested by Lyman-alpha forest data
T. Roy Choudhury, M. G. Haehnelt, J. Regan
We use a set of semi-numerical simulations based on Zel'dovich approximation, friends-of-friends algorithm and excursion set formalism to generate reionization maps of high dynamic…
Numerical Simulations of the Lyman-alpha forest - A comparison of Gadget-2 and Enzo
John A. Regan, Martin G. Haehnelt, Matteo Viel
We compare simulations of the Lyman-alpha forest performed with two different hydrodynamical codes, Gadget-2 and Enzo. A comparison of the dark matter power spectrum for simulation…