We present numerical null results from systematic parameter sweeps investigating: (i) non-minimal coupling between a coherence field and spacetime curvature (R²), and (ii) novel curvature–electromagnetism interactions (R R F_F^). Configurations tested include coupling strengths \50, 100\, coherent materials (Rb-87 BEC, Nb superconducting cavity, YBCO cuprate with ₀ spanning 3. 6510⁶ to 6. 6710⁸ m^-1), and electromagnetic field strengths B 0. 5, 10 T. All measurements yield null signals consistent with numerical baselines (|| 510^-13 N·m), enabling derivation of exclusion limits on the curvature–EM coupling parameter R. For B=10 T, terrestrial Ricci curvature R=10^-26 m^-2, and experimental precision =10^-6, we constrain R < 510^17 m². This archive includes: - Raw sweep outputs (JSON timestamped files) - Analysis plots (PNG/PDF) - Consolidated tables (CSV, Markdown, LaTeX) - Manuscript source (LaTeX) Code repository: https: //github. com/DawsonInstitute/coherence-gravity-coupling
Ryan Sherrington (Sat,) studied this question.
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