Structural Differentiation Cosmology (SDC) v1.2: A Decisive Observational Test via the Geometry–Growth Projection Test (GGPT)
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| Formato: | Recurso digital |
| Lenguaje: | inglés |
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2026
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| _version_ | 1866901159734673408 |
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| author | Okino, Koji |
| author_facet | Okino, Koji |
| contents | <p>We present Structural Differentiation Cosmology (SDC) v1.2, a minimal and falsifiable framework in which cosmological observables arise as projections of irreversible structural differentiation within a closed relational system.</p> <p>In contrast to standard cosmology, SDC does not introduce additional physical components such as dark energy. Instead, it reinterprets observed phenomena as consequences of internal structural evolution.</p> <p>We demonstrate that SDC reproduces the observed expansion history H(z) with near-degeneracy relative to ΛCDM, while simultaneously predicting a systematic suppression in structure growth fσ₈(z).</p> <p>This separation leads to a key observational insight:</p> <p>Background expansion alone does not uniquely determine the underlying physical mechanism.</p> <p>To resolve this degeneracy, we introduce the Geometry–Growth Projection Test (GGPT), a unified diagnostic in the (ΔH/H, Δ(fσ₈)/(fσ₈)) plane.</p> <p>This provides:</p> <p>A single decisive and directly testable observational criterion distinguishing structural projection cosmology from physical acceleration models.</p> <p>We further show that both expansion and growth are governed by a single structural variable C(z), establishing a unified dynamical origin.</p> <p>Key result:<br>Geometry agrees, but growth reveals the underlying structure.</p> <p>SDC therefore shifts cosmology from an energy-component description to a structural evolution description, providing a direct and testable bridge between theory and observation.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19388486 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Structural Differentiation Cosmology (SDC) v1.2: A Decisive Observational Test via the Geometry–Growth Projection Test (GGPT) Okino, Koji cosmology, alternative cosmology, dark energy alternative, structure formation, growth rate, Hubble expansion, fσ8, ΛCDM, observational cosmology, geometry-growth test, GGPT, structural differentiation, theoretical physics falsifiable theory, testable cosmology <p>We present Structural Differentiation Cosmology (SDC) v1.2, a minimal and falsifiable framework in which cosmological observables arise as projections of irreversible structural differentiation within a closed relational system.</p> <p>In contrast to standard cosmology, SDC does not introduce additional physical components such as dark energy. Instead, it reinterprets observed phenomena as consequences of internal structural evolution.</p> <p>We demonstrate that SDC reproduces the observed expansion history H(z) with near-degeneracy relative to ΛCDM, while simultaneously predicting a systematic suppression in structure growth fσ₈(z).</p> <p>This separation leads to a key observational insight:</p> <p>Background expansion alone does not uniquely determine the underlying physical mechanism.</p> <p>To resolve this degeneracy, we introduce the Geometry–Growth Projection Test (GGPT), a unified diagnostic in the (ΔH/H, Δ(fσ₈)/(fσ₈)) plane.</p> <p>This provides:</p> <p>A single decisive and directly testable observational criterion distinguishing structural projection cosmology from physical acceleration models.</p> <p>We further show that both expansion and growth are governed by a single structural variable C(z), establishing a unified dynamical origin.</p> <p>Key result:<br>Geometry agrees, but growth reveals the underlying structure.</p> <p>SDC therefore shifts cosmology from an energy-component description to a structural evolution description, providing a direct and testable bridge between theory and observation.</p> |
| title | Structural Differentiation Cosmology (SDC) v1.2: A Decisive Observational Test via the Geometry–Growth Projection Test (GGPT) |
| topic | cosmology, alternative cosmology, dark energy alternative, structure formation, growth rate, Hubble expansion, fσ8, ΛCDM, observational cosmology, geometry-growth test, GGPT, structural differentiation, theoretical physics falsifiable theory, testable cosmology |
| url | https://doi.org/10.5281/zenodo.19388486 |