{
  "model": "J1J2",
  "lattice": "rectangular-4x6",
  "n_sites": 24,
  "boundary": "P",
  "params": {
    "J2": 0.5
  },
  "instance_id": "J1J2/rectangular-4x6_24_P_0.5",
  "rows": [
    {
      "energy": -50.16239379527527,
      "sigma": null,
      "energy_variance": null,
      "dof": 24,
      "einf": 0,
      "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/J1J2/rectangular-4x6_24_P_0.5/ed_lattice_symmetries.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -50.0930476,
      "sigma": null,
      "energy_variance": 0.99,
      "dof": 24,
      "einf": 0,
      "v_score": 0.009468725521063932,
      "method": "VQE + symm. circuit (96 pars., Ns = 2^14 per par, statevector)",
      "bound_type": "variational",
      "bound_type_reason": "\\bvqe\\b|\\bcircuit\\b|\\bpq",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/J1J2/rectangular-4x6_24_P_0.5/vqe_noisy.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -50.1019006,
      "sigma": null,
      "energy_variance": 0.95,
      "dof": 24,
      "einf": 0,
      "v_score": 0.009082939992672425,
      "method": "VQE + symm. circuit (96 pars., exact grads & metric, statevector)",
      "bound_type": "variational",
      "bound_type_reason": "\\bvqe\\b|\\bcircuit\\b|\\bpq",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/J1J2/rectangular-4x6_24_P_0.5/vqe.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -50.16239379503101,
      "sigma": null,
      "energy_variance": 3.916126117129898e-8,
      "dof": 24,
      "einf": 0,
      "v_score": 3.7351788762578555e-10,
      "method": "DMRG (bond dimension = 4096)",
      "bound_type": "variational",
      "bound_type_reason": "vmc|\\brbm\\b|\\brnn\\b|jast",
      "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/J1J2/rectangular-4x6_24_P_0.5/dmrg.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -48.6662,
      "sigma": 0.0026,
      "energy_variance": 7.36838,
      "dof": 24,
      "einf": 0,
      "v_score": 0.07466694519144523,
      "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/J1J2/rectangular-4x6_24_P_0.5/vmc_rbm.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    },
    {
      "energy": -49.273,
      "sigma": 0.0031,
      "energy_variance": 9.76602,
      "dof": 24,
      "einf": 0,
      "v_score": 0.09654078828068667,
      "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/J1J2/rectangular-4x6_24_P_0.5/vmc_jastrow.sh)",
      "source": "varbench@2024-10-22",
      "provenance": "imported",
      "baseline": true
    }
  ],
  "url": "https://qmbl.org/i/J1J2/rectangular-4x6_24_P_0.5/",
  "per_site_divisor": 96,
  "per_site_label": "E/N (S.S)",
  "record": {
    "energy": -50.16239379503101,
    "sigma": null,
    "method": "DMRG (bond dimension = 4096)",
    "reference": "[code](https://github.com/varbench/methods/blob/main/scripts/J1J2/rectangular-4x6_24_P_0.5/dmrg.sh)",
    "energy_per_site": -0.5225249353649063
  },
  "no_record_reason": null
}
