The Effect of Thermal Velocities on Structure Formation in N-body Simulations of Warm Dark Matter

23 Jun 2017 Matteo Leo Carlton M. Baugh Baojiu Li Silvia Pascoli

We investigate the impact of thermal velocities in N-body simulations of structure formation in warm dark matter models. Adopting the commonly used approach of adding thermal velocities, randomly selected from a Fermi-Dirac distribution, to the gravitationally-induced velocities of the simulation particles, we compare the matter and velocity power spectra measured from CDM and WDM simulations, in the latter case with and without thermal velocities... (read more)

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