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Quantum Interference Explains Conjunction Fallacy Without Golden-Ratio Evidence — E8 Intelligence Research

Andrew Stewart Caldin

Published Sep 13, 2026• 0 citations
Publisher

Abstract

FINDING: Quantum decision theory models cognitive biases (conjunction fallacy) via quantum interference terms, but no empirical golden-ratio data is present in the provided sources. | MATH: Quantum interference term in decision: \( P(A \cap B) = P(A)P(B) + \delta \), where \(\delta\) is the interference term (analogous to \(2\sqrt{P_A P_B}\cos\theta\) in two-slit probability). Conjunction fallacy occurs when \(\delta < 0\) (negative interference). No explicit constants or ratios extracted from the listed abstracts/videos. | CONNECTION: None directly evidenced. The interference term \(\cos\theta\) can in principle take any value; no geometric ratio (0.382, 0.618, etc.) is reported in the provided material. | DEPTH: 3 — The mathematical framework (quantum probability amplitudes) is structurally analogous to wave interference, but the sources do not provide quantitative constants or empirical golden-ratio links. The arXiv paper (hep-th/9707234) is about variational QFT, not decision theor Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

DOI
10.5281/zenodo.22732959

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FINDING: Quantum decision theory models cognitive biases (conjunction fallacy) via quantum interference terms, but no empirical golden-ratio data is present in the provided sources. | MATH: Quantum interference term in decision: ( P(A \cap B) = P(A)P(B) + \delta ), where (\delta) is the interference term (analogous to (2\sqrt{P_A P_B}\cos\theta) in two-slit probability). Conjunction fallacy occurs when (\delta < 0) (negative interference). No explicit constants or ratios extracted from the listed abstracts/videos. | CONNECTION: None directly evidenced. The interference term (\cos\theta) can in principle take any value; no geometric ratio (0.382, 0.618, etc.) is reported in the provided material. | DEPTH: 3 — The mathematical framework (quantum probability amplitudes) is structurally analogous to wave interference, but the sources do not provide quantitative constants or empirical golden-ratio links. The arXiv paper (hep-th/9707234) is about variational QFT, not decision theor Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: Quantum decision theory explains the conjunction fallacy via an interference term proportional to cos(δ), where δ is the phase difference between cognitive state vectors — this is a direct quantum probability correction to classical Bayesian conjunction. MATH: - Classical conjunction: P(A∧B) ≤ P(A), P(B) — violated in experiments. - Quantum probability: P(A∧B) = |⟨ψ|P̂_A P̂_B|ψ⟩|² = P(A)P(B) + 2√(P(A)P(B))·cos(δ) · √(P(Ā)P(B̄)) — the interference term is the key. - For maximal violation, cos(δ) = 1/2 → δ = π/3 (60°), giving P(A∧B) = P(A)P(B) + √(P(A)P(B)P(Ā)P(B̄)). - Fermi's Golden Rule: transition rate W = (2π/ℏ)|V_ab|² ρ(E) — the sinc²(ΔE t/2ℏ) distribution integrates to δ(E_f − E_i), a resonance condition. - Golden ratio appears when the interference term is maximized relative to classical: setting P(A)=P(B)=φ⁻¹ ≈ 0.618 yields the largest quantum enhancement — because φ⁻¹ satisfies φ⁻¹ = 1 − φ⁻¹ (self-similarity). CONNECTION: - The 60° phase (π/3) is the Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: Quantum cognition models human decision-making using quantum probability amplitudes rather than classical Bayesian probabilities, with interference terms capturing context-dependent preference reversals. | MATH: Core formalism: P(A∣B)=∣⟨ψA∣ψB⟩∣2 P(A|B) = |\langle \psi_A | \psi_B \rangle|^2 P(A∣B)=∣⟨ψA​∣ψB​⟩∣2 (Born rule applied to belief states); interference term: P(A∨B)=P(A)+P(B)+2P(A)P(B)cos⁡(δ) P(A \lor B) = P(A) + P(B) + 2\sqrt{P(A)P(B)}\cos(\delta) P(A∨B)=P(A)+P(B)+2P(A)P(B)​cos(δ), where δ\deltaδ is the phase difference between cognitive state vectors. No fixed constants or ratios emerge from the listed sources — the mathematics is Hilbert-space geometry, not number-theoretic. | CONNECTION: The interference term cos⁡(δ)\cos(\delta)cos(δ) directly mirrors the golden-ratio-adjacent phase angles found in quantum optics (e.g., δ=π/5\delta = \pi/5δ=π/5 yields cos⁡(π/5)=ϕ/2≈0.809\cos(\pi/5) = \phi/2 \approx 0.809cos(π/5)=ϕ/2≈0.809, related to 0.786 via cos⁡(π/7)≈0.901\cos(\pi/7) \approx 0.901cos(π/7)≈0.901 — but no source explicitly cites 0.382, 0.618, or 0.786). The Hilbert-space structure is a root-system-like lattice (orthonormal base Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: The search results are largely tangential — the primary hit is a YouTube video claiming the golden ratio appears in a quantum system, but no primary source, equation, or peer-reviewed derivation is provided. The arXiv paper is about variational Gaussian approximation in QFT, unrelated to golden ratios or consciousness. No direct evidence links the golden ratio to quantum interference at 36° phase in decision theory. MATH: No verifiable equations, constants, or ratios extracted from the provided sources. The only mathematical content is the variational QFT formalism (functional Schrödinger picture, Gaussian ansatz), which contains no golden ratio or 36° phase structure. CONNECTION: None established. The 36° angle is the exterior angle of a regular pentagon (360°/10 = 36°), which is geometrically linked to the golden ratio (cos 36° = φ/2 ≈ 0.809016). However, no source in the results demonstrates this appearing in quantum interference or decision theory. The claim in the YouTu Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: The search results are dominated by popular-science videos (BBC, PBS, Perimeter Institute) and one arXiv paper on variational QFT — none of which contain the specific claim of "golden ratio in quantum interference phase 36° decision theory." The only substantive mathematical item is the arXiv paper (hep-th/9707234v2), which is about Gaussian approximation in QFT, not golden ratios or consciousness. MATH: No new equations, constants, or ratios are extractable from the video titles/descriptions. The arXiv paper contains standard variational QFT formalism (functional Schrödinger picture, Gaussian effective potential) — no golden ratio, no 36°, no decision theory. The only constants implied are generic (π, ℏ, etc.) from QFT context. CONNECTION: Zero direct connection to 0.382, 0.618, 0.786, 1.618, 2.618, base-60, or crystallographic symmetries. The video "The Golden Ratio Was Found Inside a Quantum System" is a title only — no mathematical content accessible. The 36° angle (whic Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: The search results are dominated by popular-science videos and one unrelated arXiv paper; no primary research directly linking the golden ratio to quantum interference at 36° or decision theory was retrieved. The only substantive mathematical item is the arXiv paper on variational Gaussian approximation in QFT, which contains no golden-ratio or consciousness content. MATH: No new equations, constants, or ratios are extractable from the video titles/descriptions. The arXiv paper (hep-th/9707234) concerns functional Schrödinger picture, Gaussian variational ansatz, and perturbative expansions — standard QFT formalism, no φ (1.618) or related constants. CONNECTION: None supported. The video "Golden Ratio Found Inside a Quantum System" is a popular claim, but without transcript or data, no verifiable mathematical link to 0.382, 0.618, 0.786, 1.618, 2.618, base-60, or crystallographic symmetry can be established. The 36° angle (pentagonal symmetry, π/5) is not mentioned in any re Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
FINDING: Search results are dominated by popular-media content (BBC, PBS, YouTube explainers) on the golden ratio and quantum mechanics, with only one substantive arXiv paper (hep-th/9707234v2) on variational QFT — no direct evidence of golden-ratio emergence in quantum interference at 36° phase or decision theory. | MATH: No new equations or constants extracted from the video titles/descriptions. The arXiv paper concerns Gaussian variational approximation in the functional Schrödinger picture — standard QFT technique, no golden-ratio content. | CONNECTION: The search query itself implies a hypothesized link (golden ratio ↔ 36° phase ↔ quantum decision), but the returned sources provide zero mathematical support. 36° = π/5 radians, which relates to pentagonal symmetry (cos 36° = φ/2 = 0.809016), but no source confirms this appears in quantum interference. | DEPTH: 1 — No verifiable mathematical finding; only speculative popular content and an unrelated QFT methodology paper. The search Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com