{
  "model": "Hubbard",
  "lattice": "rectangular-4x16",
  "n_sites": 64,
  "boundary": "PO",
  "params": {
    "Nf": 28,
    "U": 8
  },
  "instance_id": "Hubbard/rectangular-4x16_64_PO_28_8",
  "rows": [
    {
      "energy": -48.0533,
      "sigma": null,
      "energy_variance": 0.143,
      "dof": 56,
      "einf": 98,
      "v_score": 0.00037540609229004594,
      "method": "DMRG (MaxLinkDim = 10000, MaxTruncErr~2.0E-05, extrap energy -48.073 +/- 0.004)",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/programs/dmrg_itensors_hubbard/rectangular-4x16_64_PO_28_8.jl)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -47.782,
      "sigma": 0.005,
      "energy_variance": 0.47,
      "dof": 56,
      "einf": 98,
      "v_score": 0.0012384488574039884,
      "method": "VMC Hidden Fermion Determinant State Ansatz (N_hidden = 16. Single hidden layer fully connected net with alpha = 6). Soft mean-field constraint for lambda = 8 stripe order.",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[paper](https://www.pnas.org/doi/full/10.1073/pnas.2122059119)",
      "source": "varbench@2024-10-22",
      "provenance": "imported"
    }
  ],
  "url": "https://qmbl.org/i/Hubbard/rectangular-4x16_64_PO_28_8/",
  "per_site_divisor": 64,
  "per_site_label": "E/site",
  "record": {
    "energy": -48.0533,
    "sigma": null,
    "method": "DMRG (MaxLinkDim = 10000, MaxTruncErr~2.0E-05, extrap energy -48.073 +/- 0.004)",
    "reference": "[code](https://github.com/varbench/methods/blob/main/programs/dmrg_itensors_hubbard/rectangular-4x16_64_PO_28_8.jl)",
    "energy_per_site": -0.7508328125
  },
  "no_record_reason": null
}