Papers › The Homogeneity Scale of the universe
The Homogeneity Scale of the universe
Pierros Ntelis
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In this study, we probe the cosmic homogeneity with the BOSS CMASS galaxy sample in the redshift region of 0.43 < z < 0.7. We use the normalised counts-in-spheres estimator 𝒩(<r) and the fractal correlation dimension 𝒟₂(r) to assess the homogeneity scale of the universe. We verify that the universe becomes homogenous on scales greater than ℛ_H ≃64.3±1.6 h⁻¹Mpc, consolidating the Cosmological Principle with a consistency test of ΛCDM model at the percentage level. Finally, we explore the evolution of the homogeneity scale in redshift.
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