Why reducing the cosmic sound horizon alone can not fully resolve the Hubble tension

It is generally accepted that the Universe is dominated by dark energy but the different methods to measure the Hubble constant disagree, giving origin to what is known as the "Hubble tension”. The authors demonstrate that the sole reduction of the sound horizon is not sufficient to fully resol...

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Bibliographic Details
Main Authors: Karsten Jedamzik, Levon Pogosian, Gong-Bo Zhao
Format: Article
Language:English
Published: Nature Publishing Group 2021-06-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-021-00628-x