Confronting the Hubble Tension with Aetherium, Rev 1
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2025
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| _version_ | 1866901930160160768 |
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| author | DeVilliers, Adriaan |
| author_facet | DeVilliers, Adriaan |
| contents | <p><strong>This paper is part of the Aetherium Applications Phase, which explores the physical, cosmological, and observational consequences of the Aetherium substrate and its coherence dynamics.</strong></p> <p>The discrepancy between the locally measured Hubble constant and the value inferred from the cosmic microwave background (CMB) within ΛCDM has persisted at a statistically significant level, motivating renewed examination of the early‑time expansion history. In this work, I introduce a minimal, tightly localized modification to the effective gravitational coupling near matter–radiation equality, modeled as a Gaussian “test pulse” in . The pulse is not intended as a full theory of variable gravity, but as a controlled, falsifiable probe of how a brief enhancement in influences the sound horizon and the inferred Hubble constant.</p> <p>The sweet‑spot pulse with amplitude and width produces a reduction in the sound horizon, shifting the CMB‑inferred Hubble constant into the range. This alleviation is achieved without invoking exotic particle species, additional relativistic content, or singular behavior in the expansion history. The modification is smooth, finite, and derived entirely from known and measurable cosmological quantities.</p> <p>Within the Aetherium framework, the pulse corresponds to a brief increase in the coherence of the underlying substrate, which naturally maps to a localized enhancement in the effective gravitational coupling. While the true coherence dynamics are expected to be more complex, the results demonstrate that even a modest, phenomenologically cautious variation in can produce a measurable shift in cosmological inference. This provides strong justification for deeper investigation into more realistic coherence‑driven models of variable gravity and their potential role in shaping the early‑time Universe.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18446252 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Confronting the Hubble Tension with Aetherium, Rev 1 DeVilliers, Adriaan cosmology Hubble tension Hubble constant modified gravity sound horizon early Universe Aetherium gravitational coherence matter-radiation equality Aetherium, Coherence field, Conceptualization, Early development, Unified substrate Aetherium Applications, Physical and Observational Implications <p><strong>This paper is part of the Aetherium Applications Phase, which explores the physical, cosmological, and observational consequences of the Aetherium substrate and its coherence dynamics.</strong></p> <p>The discrepancy between the locally measured Hubble constant and the value inferred from the cosmic microwave background (CMB) within ΛCDM has persisted at a statistically significant level, motivating renewed examination of the early‑time expansion history. In this work, I introduce a minimal, tightly localized modification to the effective gravitational coupling near matter–radiation equality, modeled as a Gaussian “test pulse” in . The pulse is not intended as a full theory of variable gravity, but as a controlled, falsifiable probe of how a brief enhancement in influences the sound horizon and the inferred Hubble constant.</p> <p>The sweet‑spot pulse with amplitude and width produces a reduction in the sound horizon, shifting the CMB‑inferred Hubble constant into the range. This alleviation is achieved without invoking exotic particle species, additional relativistic content, or singular behavior in the expansion history. The modification is smooth, finite, and derived entirely from known and measurable cosmological quantities.</p> <p>Within the Aetherium framework, the pulse corresponds to a brief increase in the coherence of the underlying substrate, which naturally maps to a localized enhancement in the effective gravitational coupling. While the true coherence dynamics are expected to be more complex, the results demonstrate that even a modest, phenomenologically cautious variation in can produce a measurable shift in cosmological inference. This provides strong justification for deeper investigation into more realistic coherence‑driven models of variable gravity and their potential role in shaping the early‑time Universe.</p> |
| title | Confronting the Hubble Tension with Aetherium, Rev 1 |
| topic | cosmology Hubble tension Hubble constant modified gravity sound horizon early Universe Aetherium gravitational coherence matter-radiation equality Aetherium, Coherence field, Conceptualization, Early development, Unified substrate Aetherium Applications, Physical and Observational Implications |
| url | https://doi.org/10.5281/zenodo.18446252 |