Easing the Hubble constant tension?

Abstract

We show how a modified Friedmann equation, originating from a model of the universe built from a certain $W_3$ algebra, has the potential to explain the difference between the Hubble constants extracted from CMB data and from supernova data.

arXiv comment10 pages, 3 figures, v3: Comments about Coleman's mechanism added

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Cited by in corpus (2)

• On the evolution of the Hubble constant with the SNe Ia Pantheon Sample and Baryon Acoustic Oscillations: a feasibility study for GRB-cosmology in 2030
• On rips and cosmological singularities in a universe merging with baby universes