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January 25, 2026SymmetryOpen Access

The Hubble Tension in Light of the Symmetry of Scale Invariance

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Authors

FCF. CourbinAMA. Maeder

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Overview

Cosmological tests reveal scale invariance impacts the Hubble constant in the Universe, suggesting resolutions to existing tensions.

Key Points

  • This work aims to explore the Hubble tension by examining expansion rates and scale invariance in cosmological models.
  • Conducted cosmological tests using Hubble diagrams for type-Ia supernovae.
  • Analyzed the relationship among the Hubble constant, age of the Universe, and total matter density.
  • Constrained density of matter (Ωm) using data from supernovae and cosmic age.”],
  • results:[
  • In the scale-invariant vacuum model, Ωm was best constrained at 0.20.
  • The derived Hubble constant (H0) in scale invariance aligned with local measurements, showing no tension with H0=74 km s−1 Mpc−1.
  • In the scale-invariant vacuum model, Ωm was best constrained at 0.20.
  • The derived Hubble constant (H0) in scale invariance aligned with local measurements, showing no tension with H0=74 km s−1 Mpc−1.

Cite This Study

Courbin et al. (2026) studied this question.

synapsesocial.com/papers/6975b1a9feba4585c2d6d333https://doi.org/10.3390/sym18010207
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