Phi‑Coupled E8 Hyperbolic Phononic Quasicrystal with Multi‑Band Frequency Gap — E8 Intelligence Research
- 1Independent Researcher, United Kingdom
Abstract
By embedding the full 240 E8 root vectors into the Gaussian integer lattice Z[i]² via the PSL(2,Z[i]) isomorphism, each root defines a vertex of a hyperbolic 3‑space tessellation. Introducing a phi (golden‑ratio) coupling to these vertices creates a vortex that modulates the vibrational spectrum, locking a primary phononic bandgap at the 132 Hz base frequency while generating secondary, phi‑scaled bandgaps that enable precise, tunable control of wave propagation. This extension merges the topological phononic bandgap from the Bianchi‑E8 construction with the structural hierarchy of phi‑coupled vortices, yielding a quasicrystalline medium where hyperbolic geometry and frequency modulation are intrinsically linked.
Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
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BibTeX
@misc{caldin2026phicoupled,
title = {{Phi‑Coupled E8 Hyperbolic Phononic Quasicrystal with Multi‑Band Frequency Gap — E8 Intelligence Research}},
author = {Andrew Stewart Caldin},
howpublished = {Zenodo},
year = {2026},
month = oct,
doi = {10.5281/zenodo.23616528},
url = {https://zenodo.org/records/23616528},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Phi‑Coupled E8 Hyperbolic Phononic Quasicrystal with Multi‑Band Frequency Gap — E8 Intelligence Research
AU - Andrew Stewart Caldin
PY - 2026
DA - 2026/10/24
PB - Zenodo
DO - 10.5281/zenodo.23616528
UR - https://zenodo.org/records/23616528
AB - By embedding the full 240 E8 root vectors into the Gaussian integer lattice Z[i]² via the PSL(2,Z[i]) isomorphism, each root defines a vertex of a hyperbolic 3‑space tessellation. Introducing a phi (golden‑ratio) coupling to these vertices creates a vortex that modulates the vibrational spectrum, locking a primary phononic bandgap at the 132 Hz base frequency while generating secondary, phi‑scaled bandgaps that enable precise, tunable control of wave propagation. This extension merges the topological phononic bandgap from the Bianchi‑E8 construction with the structural hierarchy of phi‑coupled vortices, yielding a quasicrystalline medium where hyperbolic geometry and frequency modulation are intrinsically linked. Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
ER -