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Evolution of the early Universe in the scale invariant theory

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arxiv 1902.10115 v1 pith:N7GA5NGJ submitted 2019-02-26 astro-ph.CO

Evolution of the early Universe in the scale invariant theory

classification astro-ph.CO
keywords modelsinvariantscaleanalyticalearlyomegasolutionsstandard
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Analytical solutions are obtained for the early cosmological phases in the scale invariant models with curvature k=0. They complete the analytical solutions already found in the matter--dominated era by (Jesus 2018). The physical properties in the radiative era are derived from the conservation laws and compared to those of current standard models. The critical runs of the temperature T(MeV) and of the expansion rate H of the scale invariant models with low densities, Omega_m=0.04, are quite similar at the time of nucleosynthesis to those of standard models with Omega_m=0.30, leading to the same freezing number ratio of neutrons to protons.These results are consistent with the fact that the scale invariant models appear to not require the presence of dark matter.

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Cited by 1 Pith paper

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    astro-ph.CO 2026-04 accept novelty 4.0

    BBN abundances match standard predictions in CCC+TL cosmology when rates scale consistently with the modified expansion rate at high redshift.