{
  "model": "Hubbard",
  "lattice": "chain",
  "n_sites": 14,
  "boundary": "P",
  "params": {
    "Nf": 4,
    "U": 1.66810054
  },
  "instance_id": "Hubbard/chain_14_P_4_1.66810054",
  "rows": [
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      "sigma": null,
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      "dof": 8,
      "einf": 1.906400617142857,
      "v_score": null,
      "method": "Exact diagonalization",
      "bound_type": "exact",
      "bound_type_reason": "exact diagonalization|ex",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/Hubbard/chain_14_P_4_1.66810054/ed_netket.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
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      "energy_variance": 3.42e-8,
      "dof": 8,
      "einf": 1.906400617142857,
      "v_score": 1.3621347727018679e-9,
      "method": "DMRG (maxbonddim = 1550, extrapolated energy -12.266149729 +/- 5E-8)",
      "bound_type": "extrapolated",
      "bound_type_reason": "extrapolat",
      "reference": "[code](https://github.com/varbench/methods/blob/main/programs/dmrg_itensors_hubbard/chain_14_P_4_1.66810054.jl)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    }
  ],
  "url": "https://qmbl.org/i/Hubbard/chain_14_P_4_1.66810054/",
  "per_site_divisor": 14,
  "per_site_label": "E/site",
  "record": null,
  "no_record_reason": "solved exactly"
}