Can Late Dark Energy Transitions Raise the Hubble constant

@article{Benevento2020CanLD,
  title={Can Late Dark Energy Transitions Raise the Hubble constant},
  author={Giampaolo Benevento and Wayne Hu and Marco Raveri},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2020}
}
  • Giampaolo Benevento, Wayne Hu, Marco Raveri
  • Published 2020
  • Physics
  • arXiv: Cosmology and Nongalactic Astrophysics
  • Late times dark energy transitions at redshifts $z \ll 0.1$ can raise the predicted value of the Hubble constant to the SH0ES value, $74.03\pm 1.42$ (km s$^{-1}$ Mpc$^{-1})$ or more, while providing an equally good fit as $\Lambda$CDM at $67.73 \pm 0.41$ to higher redshift data, in particular from the cosmic microwave background and baryon acoustic oscillations. These models however do not fully resolve the true source of tension between the distance ladder and high redshift observations: the… CONTINUE READING

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