Constraints on cosmological models from redshift-space distortions

Konwersatorium CFT





December 2, 2020 12:30 PM

In this talk I present a general description of clustering and redshift-space distortions in the large-scale distribution of matter in the Universe and how it can be exploited to set constraints on alternative cosmological models. Measuring the redshift space distortions has become a strong cosmological probe considering that the standard model of cosmology keeps open the main issues in the current understanding of the Universe, such as the physical nature of dark matter (DM) and dark energy (DE). In fact, about 95 percent of the content of the Universe still remains with an unsatisfactory physical explanation. This represents the main motivation for the forthcoming generation of galaxy surveys, with N-body simulations being a perfect laboratory to test the robustness of cosmological probes to discriminate among alternative frameworks.