New Constraints on the free-streaming of warm dark matter from intermediate and small scale Lyman-$\alpha$ forest data

Vid Iršič, Matteo Viel, Martin G. Haehnelt +12

We present new measurements of the free-streaming of warm dark matter (WDM) from Lyman-$\alpha$ flux-power spectra. We use data from the medium resolution, intermediate redshift XQ-100…