New paper with Mathias Garny, Florian Niedermann, and Henrique Rubira. We show that Hot NEDE provides a UV completion of SIDR and stepped models, bringing them in agreement with the BBN constraints when addressing the Hubble tension:

Exciting new results from DESI today on the large-scale structure of the universe and the measurement of baryonic acoustic oscillations (BAO). The first takeaway relating to New Early Dark Energy (NEDE) as a solution to the Hubble tension is the product of the drag-epoch sound horizon and the scaled Hubble constant of rdh = (101.8 ± 1.3) Mpc, slightly higher than previous measurements.

This might mean that one needs a smaller reduction of the sound horizon to achieve the same increase of H0—as illustrated by superimposing (by eye on the iPad) the constraint on the plot of Know and Millea from 2019 below — making it marginally easier to resolve the Hubble tension within NEDE.