{
  "model": "Heisenberg",
  "lattice": "chain",
  "n_sites": 200,
  "boundary": "P",
  "params": {},
  "instance_id": "Heisenberg/chain_200_P",
  "rows": [
    {
      "energy": -354.534213002,
      "sigma": null,
      "energy_variance": 2.559e-8,
      "dof": 200,
      "einf": 0,
      "v_score": 4.0717769405696535e-11,
      "method": "DMRG (max truncation error ~ 2.8E-12)",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/programs/dmrg_itensors_heisenberg/chain_200_P.jl)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -354.4774,
      "sigma": 0.0013,
      "energy_variance": 0.595,
      "dof": 200,
      "einf": 0,
      "v_score": 0.0009470433485306108,
      "method": "VMC with projected fermions + Jastrow",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/Heisenberg/chain_200_P/vmc_gutzwiller.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -351.341,
      "sigma": 0.0037,
      "energy_variance": 14.31015,
      "dof": 200,
      "einf": 0,
      "v_score": 0.023185502649907277,
      "method": "RBM (alpha = 1)",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/Heisenberg/chain_200_P/vmc_rbm.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -346.7672,
      "sigma": 0.0045,
      "energy_variance": 20.28494,
      "dof": 200,
      "einf": 0,
      "v_score": 0.033738649899484,
      "method": "Jastrow baseline",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/Heisenberg/chain_200_P/vmc_jastrow.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    }
  ],
  "url": "https://qmbl.org/i/Heisenberg/chain_200_P/",
  "per_site_divisor": 800,
  "per_site_label": "E/N (S.S)",
  "record": {
    "energy": -354.534213002,
    "sigma": null,
    "method": "DMRG (max truncation error ~ 2.8E-12)",
    "reference": "[code](https://github.com/varbench/methods/blob/main/programs/dmrg_itensors_heisenberg/chain_200_P.jl)",
    "energy_per_site": -0.4431677662525
  },
  "no_record_reason": null
}
