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Empirical Validation of the Sigma–Schmidt Duality A Superior Fit to DESI DR2 BAO Data Compared to ΛCDM

Year: 2025

Type: article

Abstract: This record presents the empirical validation of the Sigma–Schmidt Duality as a cosmological model tested against full DESI DR2 BAO data.The analysis includes χ² comparisons, parameter scanning and robustness checks, showing that the two-parameter σ(t) deformation provides a significantly improved fit relative to ΛCDM.The PDF contains methodology, data handling, residual analysis and full reproducibility notes.This upload is part of an ongoing research series developing the dual scalar-field interpretation of cosmic expansion and its observational signatures.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.17688485

Author: Schmidt, Robert

Language: English

Topic: Cosmology and Gravitation Theories

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7106561945

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