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Cosmological Constraints from Hubble Parameter versus Redshift Data

Lado Samushia·Bharat Ratra
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Abstract

We use the Simon, Verde, & Jimenez (2005) determination of the redshift dependence of the Hubble parameter to constrain cosmological parameters in three dark energy cosmological models. We consider the standard $Λ$CDM model, the XCDM parameterization of the dark energy equation of state, and a slowly rolling dark energy scalar field with an inverse power-law potential. The constraints are restrictive, consistent with those derived from Type Ia supernova redshift-magnitude data, and complement those from galaxy cluster gas mass fraction versus redshift data.

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Lado Samushia, Bharat Ratra. 2006-09-13. Cosmological Constraints from Hubble Parameter versus Redshift Data. https://doi.org/10.1086/508662

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