Hubble tension and matter inhomogeneities: a theoretical perspective

Abstract

We have studied how local density perturbations could reconcile the Hubble tension. We reproduced a local void through a perturbed FLRW metric with a potential $\Phi$ which depends on both time and space. This method allowed us to obtain a perturbed luminosity distance, which is compared with both local and cosmological data. However, when constraining local cosmological parameters with previous results, we found that neither $\Lambda$CDM nor $\Lambda (\omega )$CDM cannot solve the Hubble tension.

12 pages

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Cited by in corpus (5)

• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• A simultaneous solution to the Hubble tension and observed bulk flow within 250 $h^{-1}$ Mpc
• The redshift dependence of the inferred $H_0$ in a local void solution to the Hubble tension
• DESIgning concordant distances in the age of precision cosmology: the impact of density fluctuations
• Testing the local supervoid solution to the Hubble tension with direct distance tracers