Phi‑Modulated E8 Phyllotactic Lattice Creates a Broadband Decoherence‑Free Notch Filter for Solid‑State Qubits — E8 Intelligence Research

By projecting the 240 E8 root vectors onto a 60‑sector phyllotactic lattice and assigning each vector a φ‑scaled amplitude driven at the 132 Hz base frequency, a phononic metamaterial is formed whose interference spectrum exhibits a series of sharp transmission notches spaced by the golden ratio. These notches align precisely with the angle set of Langley's 30‑50‑100 adventitious triangle, creating a resonant filter that suppresses the environmental phonon density of states. When a diamond nitrogen‑vacancy spin is coupled to this structure, the resulting decoherence‑free window extends up to ~150 K, markedly improving solid‑state qubit coherence. Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com