Evidence for cosmic acceleration with next-generation surveys: A model-independent approach
Loading...
Date
2020
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Oxford University Press
Abstract
We quantify the evidence for cosmic acceleration using simulations of H(z) measurements from SKA- and Euclid-like surveys. We perform a non-parametric reconstruction of the Hubble parameters and its derivative to obtain the deceleration parameter q(z) using the Gaussian Processes method. This is a completely model-independent approach, so we can determine whether the Universe is undergoing accelerated expansion regardless of any assumption of a dark energy model.
Description
Keywords
Observations, Cosmology, Cosmic acceleration, Dark energy model, Galaxy redshift
Citation
Bengaly, Carlos A. P. et al. (2020). Evidence for cosmic acceleration with next-generation surveys: a model-independent approach. Monthly Notices of the Royal Astronomical Society: Letters, Volume 499(1),L6–L10