Physics & Spacepreprint2026-10-17

MERLIN SCIENCE — Golden Ratio Unifies Penrose Tilings and Spin Networks via Robinson Tr — E8 Intelligence Research

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Abstract

Here is the narration for a MERLIN SCIENCE video. --- Here's the finding in one clean sentence: The golden ratio, acting as a unit in a specific number ring, is the common arithmetic engine that forces both the aperiodic order of Penrose tilings and the discrete angular momentum rules of spin networks. Let me set the field context. On one side, you have quasicrystal mathematics, born from Penrose's tilings, which use two Robinson triangles with angles of 36 and 72 degrees. Their side ratios are exactly phi and one over phi. On the other side, you have spin networks, also from Penrose, which encode the recoupling of angular momentum in quantum gravity. These seem like separate worlds—geometry versus quantum mechanics. Here is the mechanism. The substitution rule that inflates a Penrose tiling has eigenvalues phi squared and minus one over phi. That self-similarity is not an accident. Phi is a unit in the ring of integers of the field Q of root five, meaning its norm is minus one. Th Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-10-17

Authors: Andrew Stewart Caldin