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A Viscous Fermionic Condensate Model: Resolving the H0 and S8 Tensions through a 4.8 keV ψ-field
2026-04-06
We propose a hydrodynamic extension of the standard cosmological paradigm by modeling the
spacetime manifold as a physical, viscous fermionic condensate (the ψ-field). This framework provides
a unified resolution to the H0 and S8 tensions through a dynamic viscosity coefficient η = 1.2 × 10−15
Pa·s and a quantum mass scale mψ = 4.8 keV. We identify a critical phase transition, the Shlyapik
Threshold (7.76 keV), where the medium shifts from a dissipative viscous state to a superfluid regime.
The model is validated through an independent spectral audit of archival Chandra and recent
XRISM Resolve observations (2026) using the JS9 analysis framework. Our findings reveal a universal
4.8 keV resonance and a 1.0 keV viscous gap in the Bullet Cluster, N132D, and M87. These spectral
features are corroborated by a 5.01-sigma signal from the UCAS liquid xenon experiment. Furthermore,
we demonstrate that the viscosity-induced “cosmic brake” aligns with recent DESI observations of
late-time expansion anomalies. The 720 kpc spatial offset in the Bullet Cluster is interpreted as
differential hydrodynamic drag rather than collisionless dark matter, supported by element-specific
spectral broadening in Fe-K lines. A joint statistical analysis of DESI, XRISM, Chandra, Max Planck
Institute, and UCAS data yields a cumulative 7.5-sigma preference for the viscous condensate model
over Λ-CDM, establishing a robust hydrodynamic foundation for synchronized modern cosmology.
Ссылка для цитирования:
Шляпик А. А. 2026. A Viscous Fermionic Condensate Model: Resolving the H0 and S8 Tensions through a 4.8 keV ψ-field. PREPRINTS.RU. https://doi.org/10.24108/preprints-3114851
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