重力の曲率場定式化：時空の物理的再構成に向けて
曲率場シリーズ 第II部――量子曲率から巨視的重力へ
DOI:
https://doi.org/10.51094/jxiv.1579キーワード:
曲率場（C4）、 Φ–曲率場方程式（PCFE）、 強重力リング不変量 (R,Θ)、 事象の地平線望遠鏡（EHT）、次世代EHT（ngEHT）、 太陽系PPN／1PN制約、 SPARC銀河回転曲線、 宇宙論スナップイン（CMB・BAO・重力レンズ）、 変分テーパー（外縁テイル）、 モデル選択（AIC・BIC・ベイズ因子）抄録
本論文（Part II）は、先行研究 Introducing the Curvature Field Function（Part I）で提案した「曲率場」仮説を、量子領域から巨視的な重力へ拡張し、統一的に検証するものです。固定ポリシー（マスク・ウィンドウ・共分散）を全領域で共通化し、SPARC銀河回転曲線、EHTリング、太陽系PPN、CMB/BAOスナップインを標準化不変量 (R,Θ)(R,\Theta)(R,Θ) と線形応答 (μ,Σ)(\mu,\Sigma)(μ,Σ) で読み替えます。その結果、曲率場（C4/PCFE）は一般相対論の基準線と両立しつつ、追加の暗黒セクターを導入せずに主要観測を整合的に再現できることを示しました。理論の詳細は付録に再現手順を明記し、結論は今後の高分解能VLBI/ngEHTおよび宇宙論データでさらに検証可能です。
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