{
  "model": "HEG3D",
  "lattice": "bcc",
  "n_sites": 512,
  "boundary": "P",
  "params": {
    "N_up": 512,
    "N_dn": 0,
    "rs": 80,
    "twist": "Gamma"
  },
  "instance_id": "HEG3D/bcc_512_P_512_0_80",
  "rows": [
    {
      "energy": -4.8069888,
      "sigma": 0.00004096,
      "energy_variance": null,
      "dof": 512,
      "einf": null,
      "v_score": null,
      "method": "Slater-Jastrow",
      "method_detail": "ferromagnetic bcc crystal",
      "method_as_published": "VMC (Slater-Jastrow, ferromagnetic bcc crystal, Supplemental Material)",
      "family": "classic VMC",
      "bound_type": "variational",
      "bound_type_reason": "variational ansatz at a stated size; energy is an upper bound (assigned during source reading)",
      "reference": "S. Azadi & N. D. Drummond, Low-density phase diagram of the three-dimensional electron gas, Phys. Rev. B 105, 245135 (2022), arXiv:2201.08743, doi:10.1103/PhysRevB.105.245135 (Supplemental Material)",
      "peer_reviewed": true,
      "source": "sweep-allresults-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2201.08743 read locally (arXiv HTML or pypdf layout text); value copied from the harvested cell and the text, no LLM transcription of numbers; single reading",
        "reported_as": "−0.00938865(8)",
        "note": "SM Table IX, N = 512, row E_VMC, column rs = 80; SupplMat.pdf (PRB 105, 245135), pypdf layout text line 303; printed in Ha per electron | bcc simulation cell of N = n^3 electrons holding a bcc Wigner crystal; crystal energies are not twist-averaged and the twist has no observable effect (main text); the same convention as the main-text crystal rows (Tables I and II), which QMBL carries. | variance reported as 0.0000574(5), not stored: convention not verified",
        "secondary_of": null
      }
    },
    {
      "energy": -4.8243712,
      "sigma": 0.00004608,
      "energy_variance": null,
      "dof": 512,
      "einf": null,
      "v_score": null,
      "method": "Fixed-node DMC",
      "method_detail": "trial state: Slater-Jastrow, ferromagnetic bcc crystal; extrapolated: Δτ → 0",
      "method_as_published": "DMC (Slater-Jastrow, ferromagnetic bcc crystal, Supplemental Material)",
      "family": "DMC",
      "bound_type": "projected",
      "bound_type_reason": "projection (GFMC/fixed-node) on a trial state; not a strict variational bound (assigned during source reading)",
      "reference": "S. Azadi & N. D. Drummond, Low-density phase diagram of the three-dimensional electron gas, Phys. Rev. B 105, 245135 (2022), arXiv:2201.08743, doi:10.1103/PhysRevB.105.245135 (Supplemental Material)",
      "peer_reviewed": true,
      "source": "sweep-allresults-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:2201.08743 read locally (arXiv HTML or pypdf layout text); value copied from the harvested cell and the text, no LLM transcription of numbers; single reading",
        "reported_as": "−0.00942260(9)",
        "note": "SM Table IX, N = 512, row E_DMC, column rs = 80; SupplMat.pdf (PRB 105, 245135), pypdf layout text line 305; printed in Ha per electron | bcc simulation cell of N = n^3 electrons holding a bcc Wigner crystal; crystal energies are not twist-averaged and the twist has no observable effect (main text); the same convention as the main-text crystal rows (Tables I and II), which QMBL carries.",
        "secondary_of": null
      }
    }
  ],
  "url": "https://qmbl.org/i/HEG3D/bcc_512_P_512_0_80/",
  "per_site_divisor": 512,
  "per_site_label": "E/N (Ha)",
  "record": {
    "energy": -4.8243712,
    "sigma": 0.00004608,
    "method": "Fixed-node DMC",
    "method_detail": "trial state: Slater-Jastrow, ferromagnetic bcc crystal; extrapolated: Δτ → 0",
    "reference": "S. Azadi & N. D. Drummond, Low-density phase diagram of the three-dimensional electron gas, Phys. Rev. B 105, 245135 (2022), arXiv:2201.08743, doi:10.1103/PhysRevB.105.245135 (Supplemental Material)",
    "bound_type": "projected",
    "energy_per_site": -0.0094226
  },
  "no_record_reason": null
}