Article Dans Une Revue Physics of the Dark Universe Année : 2023

Questioning the H0 tension via the look-back time

Résumé

The Hubble tension is investigated taking into account the cosmological look-back time. Specifically, considering a single equation, widely used in standard cosmology, it is possible to recover both values of the Hubble constant H0 reported by the SH0ES and Planck collaborations: the former is obtained through cosmological ladder methods (e.g. Cepheids, Supernovae Type IA) and the latter through measurements of the Cosmic Microwave Background. Also, other values obtained in the literature are achieved with the same approach. We conclude that the Hubble tension can be removed if the look-back time is correctly referred to the redshift where the measurement is performed.

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insu-04043842 , version 1 (15-07-2025)

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Salvatore Capozziello, Giuseppe Sarracino, Alessandro D. A. M. Spallicci. Questioning the H0 tension via the look-back time. Physics of the Dark Universe, 2023, 40, ⟨10.1016/j.dark.2023.101201⟩. ⟨insu-04043842⟩
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