Speaker
Description
The abundance of galaxies in the epoch of reionization (z>6) is dependent on fundamental cosmological parameters, most importantly on the properties of dark matter, such that it can be used as a powerful cosmological probe. In this talk, I will discuss constraints obtained from the deepest HST Legacy Fields observations on warm dark matter (WDM) scenarios: thermal relic WDM, sterile neutrino DM models, and wavelike bosonic DM.
I will show theoretical predictions on how reionization history unfolds in scenarios with suppressed initial power spectra and discuss current observational and theoretical uncertainties. Finally, I will present how JWST can revolutionize our understanding of the epoch of reionization and of its connection with fundamental cosmological parameters.
