{
  "model": "TFIsing",
  "lattice": "chain",
  "n_sites": 32,
  "boundary": "P",
  "params": {
    "h": 0.5
  },
  "instance_id": "TFIsing/chain_32_P_0.5",
  "rows": [
    {
      "energy": -34.03342111916819,
      "sigma": 0,
      "energy_variance": 0,
      "dof": 32,
      "einf": 0,
      "v_score": 0,
      "method": "Exact Solution",
      "bound_type": "exact",
      "bound_type_reason": "exact diagonalization|ex",
      "reference": "[code](https://github.com/varbench/methods/blob/main/programs/exact_ising_1d/exact_ising_1d.py)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -34.03338,
      "sigma": 0.000019,
      "energy_variance": 0.00035,
      "dof": 32,
      "einf": 0,
      "v_score": 0.000009669585479245423,
      "method": "Symmetric FFN, Relu, 32 features per translation",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/TFIsing/chain_32_P_0.5/vmc_gcnn.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -34.033633,
      "sigma": 0.000056,
      "energy_variance": 0.0032365571,
      "dof": 32,
      "einf": 0,
      "v_score": 0.0000894162863952421,
      "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/TFIsing/chain_32_P_0.5/vmc_rbm.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true,
      "defect": {
        "flag": "below-exact-suspected",
        "finding": "3.8 sigma below the exact solution, same method string and same signature as the two 10-site rows. Not directly reproduced: 32 sites cannot be summed exactly, so the full-summation argument does not apply here."
      }
    },
    {
      "energy": -34.03342111914689,
      "sigma": null,
      "energy_variance": 1.6e-10,
      "dof": 32,
      "einf": 0,
      "v_score": 4.42037125197333e-12,
      "method": "DMRG (bond dimension = 24)",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/TFIsing/chain_32_P_0.5/dmrg.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -34.01752,
      "sigma": 0.00033,
      "energy_variance": 0.1166148,
      "dof": 32,
      "einf": 0,
      "v_score": 0.00322476708619433,
      "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/TFIsing/chain_32_P_0.5/vmc_jastrow.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    }
  ],
  "url": "https://qmbl.org/i/TFIsing/chain_32_P_0.5/",
  "per_site_divisor": 32,
  "per_site_label": "E/N (Pauli)",
  "record": {
    "energy": -34.03342111914689,
    "sigma": null,
    "method": "DMRG (bond dimension = 24)",
    "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/TFIsing/chain_32_P_0.5/dmrg.sh)",
    "energy_per_site": -1.0635444099733402
  },
  "no_record_reason": null
}