When generating cosmological initial conditions for use in simulations of large-scale structure, one common method is to utilize random numbers (distributed abo

When generating cosmological initial conditions for use in simulations of large-scale structure, one common method is to utilize random numbers (distributed about a known power spectrum) in k-space and then transforming back to real space. Some details can be found here: https://enzo.readthedocs.io/en/enzo-2.3/_downloads/makeics.pdf https://enzo.readthedocs.io/en/enzo-2.3/_downloads/makeics.p...