Quaternion Order Parameter Links Icosahedral Quasicrystals to E8 Lattice Symmetry — E8 Intelligence Research
Year: 2026
Type: preprint
Abstract: FINDING: Quaternion order parameter links icosahedral quasicrystal solidification to the E8 lattice, revealing a hidden 8D symmetry underpinning 3D icosahedral order. | MATH: Quaternion orientational order parameter \( Q = q \cdot \sigma \) (Pauli matrices); E8 root system has 240 vectors, Coxeter number 30, and is the largest exceptional Lie group; icosahedral group \( I_h \) is a subgroup of \( H_4 \) (600-cell symmetry), which is itself a subgroup of E8. | CONNECTION: The golden ratio \( \phi = (1+\sqrt{5})/2 \approx 1.618 \) appears in the coordinates of the 600-cell and 120-cell (e.g., vertices involve \( \phi, \phi^{-1} \approx 0.618 \)); the 120-cell's dihedral angle involves \( \phi \); E8 lattice projection yields 3D icosahedral quasicrystals with diffraction peaks at ratios \( \phi, 1/\phi \). | DEPTH: 9 — This directly ties quaternionic 3D rotations (binary icosahedral group of order 120) to the 8D E8 lattice, a fundamental structure in string theory and exceptional mathemat Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
Author: Caldin, Andrew Stewart
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7170781990
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