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    Evidence for cosmic acceleration with next-generation surveys: A model-independent approach

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    slaa040.pdf (1.308Mb)
    Date
    2020
    Author
    Bengaly, Carlos A. P.
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    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.
    URI
    https://doi.org/10.1093/mnrasl/slaa040
    http://hdl.handle.net/10566/5899
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    • Research Articles (Physics)

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