Can scale-dependent cosmology alleviate the H<sub>0</sub> tension?
Pedro D. AlvarezDepartamento de Física, Universidad de Antofagasta, Aptdo. 02800, Antofagasta, ChileBenjamin KochInstitut für Theoretische Physik, Technische Universität Wien, Wiedner Hauptstrasse 8-10, A-1040 Vienna, AustriaCristobal LaporteInstituto de Física, Pontificia Católica Universidad de Chile, Av. Vicuña Mackenna 4860, Santiago, ChileÁngel RincónInstituto de Física, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2950, Casilla 4059, Valparaíso, Chile
2021en
ABI
Abstract
Abstract Scale-dependence is a common feature to all effective models of quantum gravity. In this paper, a cosmological model based on the scale-dependent scenario of gravity is presented. It is argued that such models, where the scale-dependence appears as a correction to the classical ΛCDM evolution, have the potential of addressing the tensions between early and late time measurements of H 0 . After defining criteria to parametrize this tension, we perform a numerical scan over the parameter space of the scale-dependent model, subject to these criteria. In this analysis, it is found that, indeed, the tension can be released.
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