What question did this study set out to answer?

The aim is to derive the Friedmann equations using a χ_cosmo field in a cosmological context.

June 15, 2026Open Access

TQNT-V5. 11 — FLRW cosmology: Friedmann equations from the χcosmo field (Planck + DESI)

Key Points

The aim is to derive the Friedmann equations using a χ_cosmo field in a cosmological context.
Used a spatially homogeneous and isotropic background for the derivation.
Analyzed compatibility with Planck 2018 and DESI BAO Y1 data.
Evaluated dark matter abundance through V5 condensation kinetics.
The derived Friedmann system is consistent with Planck 2018 data and DESI BAO Y1 observations.
Dark matter abundance aligns with the V5 condensation kinetics model.
The residual cosmological constant is interpreted through P22 boundary nucleation.

Abstract

TQNT-V5. 11 derives the Friedmann equations from a cosmological χcosmo field on a spatially homogeneous and isotropic background. The reduced Friedmann system is shown to be compatible with Planck 2018 (CMB) and DESI BAO Y1 data at the level of the V5-inherited G (V5. 8). Dark-matter abundance follows the V5 condensation kinetics (P18) and the residual cosmological-constant contribution is interpreted through P22 boundary nucleation, consistent with the V5 framework. Complements the V5 monograph (10. 5281/zenodo. 19131538).

TQNT-V5. 11 — FLRW cosmology: Friedmann equations from the χcosmo field (Planck + DESI)

Key Points

Abstract

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