Title:Easing cosmological tensions — What works and what doesn’t?
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Abstract:
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Tensions between measurements in the early and the late universe could be a first hint at new physics beyond the standard model of cosmology. In particular the clustering of large scale structure and the current value of the Hubble parameter show intriguing discrepancies. In this talk I review the most common ways of easing the tensions, and focus specifically on various extended models of dark matter, such as warm dark matter, primordial black holes, cannibalistic dark matter, and dark matter interactions. To constrain these models a variety of cosmological probes, both current and future, is required at different scales and redshifts.