{"id": "card_floor_quantum_mechanics", "kind": "note", "title": "Quantum mechanics — the quantum and its limits", "body": "Not a floor beside the others - the framework they inhabit. Superposition and the Born rule are on the capstone, the Schrodinger equation on the Hamiltonian, the path integral on the Lagrangian. This floor gathers them and adds the three foundations not yet placed: quantization (the quantum of action, light in lumps), uncertainty (a proven limit, not an ignorance), and entanglement (the world is not locally real; one indivisible state). Four pillars rest on the Hamiltonian, Maxwell, the capstone, the instruments and relativity. The stick (stick_quantum_mechanics_the_quantum_and_its_limits) seals hbar, the photon, and the Bell bound (tools/seed_quantum_mechanics.py).", "source": {"label": "Narrow Highway — quantum mechanics", "url": "", "authority_tier": "engine_derived", "ref": "stick_quantum_mechanics_the_quantum_and_its_limits"}, "shelf": "codex", "box": "quantum_mechanics", "bands": ["floor", "quantum mechanics", "quantum", "uncertainty", "entanglement", "one map"], "subject": "Quantum mechanics — the quantum and its limits", "connections": [{"to_card_id": "card_qm_quantization", "relationship": "has_part", "evidence": "a foundation of quantum mechanics (Quantization)"}, {"to_card_id": "card_qm_superposition_measurement", "relationship": "has_part", "evidence": "a foundation of quantum mechanics (Superposition & measurement)"}, {"to_card_id": "card_qm_uncertainty", "relationship": "has_part", "evidence": "a foundation of quantum mechanics (Uncertainty)"}, {"to_card_id": "card_qm_entanglement", "relationship": "has_part", "evidence": "a foundation of quantum mechanics (Entanglement)"}, {"to_card_id": "card_k_floor_of_discovery", "relationship": "part_of", "evidence": "the framework of the physics region on the one map"}, {"to_card_id": "card_chart_hermitian_operators", "relationship": "charted_by", "evidence": "real eigenvalues, the eigenbasis door, and unitary evolution - the formal object under the quantum region"}, {"to_card_id": "card_chem_periodic_table", "relationship": "connects_at", "evidence": "the periodic table is the Schrodinger equation plus Pauli exclusion: 2n^2 per shell"}, {"to_card_id": "card_chart_quantum_harmonic_oscillator", "relationship": "charted_by", "evidence": "the zero-point and the ladder - the oscillator forced by uncertainty, on the quantum floor"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.quantum.mechanics", "facets": {"subject": ["entanglement", "floor", "one map", "quantum mechanics", "uncertainty"]}, "presentation": {"glyph": "•", "kind_label": "quantum mechanics", "by": "Narrow Highway — quantum mechanics", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_qm_quantization", "title": "Quantization — the quantum of action, light in lumps", "relationship": "has part", "why": "a foundation of quantum mechanics (Quantization)", "href": "/card/card_qm_quantization", "resolved": true}, {"id": "card_qm_superposition_measurement", "title": "Superposition & measurement — the wavefunction and the Born rule", "relationship": "has part", "why": "a foundation of quantum mechanics (Superposition & measurement)", "href": "/card/card_qm_superposition_measurement", "resolved": true}, {"id": "card_qm_uncertainty", "title": "Uncertainty — a proven limit, not an ignorance", "relationship": "has part", "why": "a foundation of quantum mechanics (Uncertainty)", "href": "/card/card_qm_uncertainty", "resolved": true}, {"id": "card_qm_entanglement", "title": "Entanglement — the world is not locally real", "relationship": "has part", "why": "a foundation of quantum mechanics (Entanglement)", "href": "/card/card_qm_entanglement", "resolved": true}, {"id": "card_k_floor_of_discovery", "title": "The Floor of Discovery — one floor, and by its design the fear of God", "relationship": "part of", "why": "the framework of the physics region on the one map", "href": "/card/card_k_floor_of_discovery", "resolved": true}, {"id": "card_chart_hermitian_operators", "title": "Hermitian operators — real eigenvalues, the observables", "relationship": "charted by", "why": "real eigenvalues, the eigenbasis door, and unitary evolution - the formal object under the quantum region", "href": "/card/card_chart_hermitian_operators", "resolved": true}, {"id": "card_chem_periodic_table", "title": "The periodic table — electrons in quantum shells", "relationship": "connects at", "why": "the periodic table is the Schrodinger equation plus Pauli exclusion: 2n^2 per shell", "href": "/card/card_chem_periodic_table", "resolved": true}, {"id": "card_chart_quantum_harmonic_oscillator", "title": "The quantum harmonic oscillator — zero-point and the ladder", "relationship": "charted by", "why": "the zero-point and the ladder - the oscillator forced by uncertainty, on the quantum floor", "href": "/card/card_chart_quantum_harmonic_oscillator", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_floor_quantum_mechanics", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_floor_quantum_mechanics"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}