Neutrino mass in cosmology: status and prospects
Yvonne Y. Y. Wong
TL;DR
This paper reviews how neutrino masses influence cosmological evolution, highlighting recent observational constraints and future techniques to improve mass measurements beyond laboratory capabilities.
Contribution
It provides an overview of the current status of neutrino mass constraints in cosmology and discusses new methods and advances for future research.
Findings
Cosmic microwave background and large-scale structure observations constrain neutrino masses.
Recent advances improve the nonlinear matter power spectrum calculations.
Future techniques will enhance neutrino mass measurements in cosmology.
Abstract
I give an overview of the effects of neutrino masses in cosmology, focussing on the role they play in the evolution of cosmological perturbations. I discuss how recent observations of the cosmic microwave background anisotropies and the large-scale matter distribution can probe neutrino masses with greater precision than current laboratory experiments. I describe several new techniques that will be used to probe cosmology in the future, as well as recent advances in the computation of the nonlinear matter power spectrum and related observables.
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