The cosmic microwave background (CMB) presents an alternative derivation within Quarkbase Cosmology, where the physical vacuum is modeled as a continuous, frictionless medium described by a scalar pressure field Ψ. Starting from a single variational principle, the linear dynamics of the Ψ-field are derived and shown to admit a unique, dispersionless luminal mode. The statistical mechanics of this mode lead necessarily to a stationary Planckian distribution, identified with the observed CMB. The blackbody spectrum, its temperature, and its global isotropy follow as direct consequences of medium dynamics, without invoking primordial thermal equilibrium, inflation, recombination, or an expanding metric. Temperature anisotropies arise as linear transport effects induced by spatial variations of the medium, while cosmological redshift is obtained as an intrinsic temporal evolution of the vacuum that preserves the Planckian spectral form exactly. The resulting framework reproduces all kinematic observational properties of the CMB, eliminates the horizon problem by construction, and yields a self-consistent, falsifiable, non-expanding description grounded in a single physical ontology.
Date: Dec 23, 2025
Author: Carlos Omeñaca Prado
ORCID: https://orcid.org/0009-0001-9750-5827
Resource type: Preprint
Publisher: Zenodo
License: CC BY-SA 4.0 International
Related links:
- https://zenodo.org/records/18028189
- https://archive.org/details/emergence-of-the-cmb
- https://www.academia.edu/145549728/Emergence_of_the_Cosmic_Microwave_Background_in_Quarkbase_Cosmology