{
  "abstract": "FINDING: Matthew Fisher (UCSB) proposes nuclear spins of phosphorus-31 in Posner molecules (Ca₉(PO₄)₆) as room-temperature qubits for neural quantum processing — \"quantum cognition\" via decoherence-resistant nuclear spin entanglement.\n\nMATH: - Posner molecule: Ca₉(PO₄)₆, phosphate cage with 6 P nuclei (I = 1/2, ³¹P) - Nuclear spin qubit: ³¹P, spin-1/2, gyromagnetic ratio γ ≈ 1.08 × 10⁸ rad·s⁻¹·T⁻¹ - Hyperfine coupling A ≈ 10²–10³ Hz (weak, hence long coherence) - Decoherence time target: T₂ ~ 10⁵ s (days) for nuclear spins in Posner geometry - Entanglement via spin-spin coupling through phosphate oxygens; singlet-triplet states - Posner binding energy: ~ 10 kT (thermal stability at 310 K) - Symmetry group of Posner: octahedral O_h (6 P at vertices of octahedron)\n\nCONNECTION: - Octahedral symmetry O_h — root system A₃/B₃; 6 vertices = 6 spin-1/2 sites → SU(2)⁶ Hilbert space, dim = 2⁶ = 64 - 6-fold coordination echoes base-60 (6 × 10) and hexagonal/cubic close-packing - Singlet state (\n\nAuthor: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com",
  "abstract_shown": true,
  "affiliations": [
    "Independent Researcher, United Kingdom"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 1,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Andrew Stewart Caldin"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/284c0nycb2mkw.bib",
  "cited_by": 0,
  "doi": "10.5281/zenodo.23659016",
  "fulltext_url": null,
  "id": "284c0nycb2mkw",
  "issns": [],
  "landing_url": "https://zenodo.org/records/23659016",
  "language": "eng",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [],
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  "pdf_url": null,
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-26",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/284c0nycb2mkw.ris",
  "sources": [
    {
      "first_seen": "2026-11-09T12:21:29Z",
      "native_id": "23659016",
      "source": "zenodo",
      "url": "https://zenodo.org/records/23659016"
    }
  ],
  "subjects": [],
  "title": "³¹P Nuclear Spins in Posner Molecules as Room-Temperature Qubits for Quantum Cognition — E8 Intelligence Research",
  "title_text": "³¹P Nuclear Spins in Posner Molecules as Room-Temperature Qubits for Quantum Cognition — E8 Intelligence Research",
  "type": "preprint",
  "updated_at": "2026-11-09T12:21:29Z",
  "url": "https://research.draconitic.com/paper/284c0nycb2mkw",
  "venue": "Zenodo",
  "versions": []
}