Asymmetric Dynamics in Posner Molecules Undermine Quantum Brain Coherence Assumption — E8 Intelligence Research

Andrew Stewart Caldin

Published Sep 27, 2026• 0 citations

Abstract

FINDING: The Posner molecule (Ca₉(PO₄)₆) — proposed as a biological quantum information processor — has been shown to possess a dynamical ensemble that is *not* symmetric, undermining a key assumption in the quantum-coherence-in-brain hypothesis. | MATH: Molecular formula Ca₉(PO₄)₆; nuclear spin qubits (³¹P, I=1/2); the paper (arXiv:2108.08822v2) demonstrates that the full dynamical ensemble breaks the assumed permutation symmetry of the six phosphate groups, altering the predicted coherence lifetimes and entanglement structure. | CONNECTION: The phosphate tetrahedra (PO₄³⁻) form a near-tetrahedral (T_d) local symmetry, but the *global* Ca₉(PO₄)₆ lattice lacks full octahedral (O_h) or icosahedral (I_h) symmetry — the six phosphates are not equivalent under the molecule's actual dynamical group. This is a direct violation of the naive S₆ permutation symmetry often assumed in quantum biology models. The relevant geometric ratio: the Ca–P distances and P–O bond lengths deviate from ideal Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

DOI: 10.5281/zenodo.22986988

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