{
  "ai.module": "quantum_field_theory",
  "ai.version": "1.0",
  "ai.purpose": "Provide a regime-aware, excitation-first interface to Quantum Field Theory as a coherence grammar of operators and symmetries.",
  "ai.keywords": [
    "quantum field theory",
    "qft",
    "excitations",
    "operators",
    "propagators",
    "symmetries",
    "standard model",
    "triadic frameworks"
  ],

  "identity": {
    "name": "Quantum Field Theory",
    "category": "Scientific Theory",
    "summary": "A coherence-level excitation grammar describing matter and interactions through operators, propagators, and symmetries.",
    "regime": ["R2→R3", "R2", "R3"],
    "status": "canon-ready"
  },

  "lineage": {
    "originators": [
      "Paul Dirac",
      "Richard Feynman",
      "Julian Schwinger",
      "Sin-Itiro Tomonaga",
      "Steven Weinberg"
    ],
    "historical_period": "20th Century",
    "source_domain": "Quantum Mechanics and Relativistic Field Theory",
    "related_theories": [
      "quantum_mechanics",
      "special_relativity",
      "standard_model",
      "information_theory"
    ],
    "notes": "QFT describes excitations and interactions as coherence patterns. Fields are mathematical grammars, not physical substances."
  },

  "operators": {
    "primary": [
      "creation_operator",
      "annihilation_operator",
      "propagator",
      "lagrangian_density",
      "symmetry_generator"
    ],
    "secondary": [
      "renormalization",
      "vacuum_structure",
      "interaction_vertex",
      "path_integral"
    ],
    "description": "Operators describe how excitations arise, propagate, and interact under symmetry and coherence constraints."
  },

  "drift": {
    "risks": [
      "treating fields as physical substances",
      "interpreting particles as tiny objects",
      "assuming vacuum is a literal medium",
      "overextending QFT into non-coherent regimes"
    ],
    "boundaries": [
      "QFT is a coherence grammar, not ontology",
      "excitations are regime-dependent",
      "renormalization is a coherence repair mechanism",
      "fields lose meaning outside R2→R3"
    ]
  },

  "coherence": {
    "invariants": [
      "unitarity",
      "locality (within regime)",
      "symmetry conservation",
      "stable excitation spectra"
    ],
    "failure_modes": [
      "non-renormalizable divergences",
      "symmetry breaking instabilities",
      "strong-coupling decoherence",
      "regime collapse at small scales"
    ]
  },

  "cross_module": {
    "supports": [
      "standard_model",
      "particle_physics",
      "quantum_mechanics",
      "cosmology"
    ],
    "supported_by": [
      "special_relativity",
      "information_theory",
      "regime_awareness"
    ],
    "integration_notes": "QFT integrates cleanly with RTT engines as a coherence-level excitation grammar operating in R2→R3 quantum-relativistic regimes."
  }
}