An Early Dark Energy model can fit H0=73.56 km/s/Mpc only with a high EDE fraction and high peak redshift, while Bayesian evidence favors the model only in a narrow, finely-tuned parameter space.
Cruz, Steen Hannestad, Emil Brinch Holm, Florian Niedermann, Martin S
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Beyond LambdaCDM: How the Hubble tension challenges early universe physics
An Early Dark Energy model can fit H0=73.56 km/s/Mpc only with a high EDE fraction and high peak redshift, while Bayesian evidence favors the model only in a narrow, finely-tuned parameter space.