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Heisenberg triangular, 48 sites

Heisenberg/triangular_48_P

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solved exactly (rules §6). Every row is still listed below.

The Hamiltonian

H = ∑⟨ij⟩ σi·σj

Nearest-neighbour Heisenberg antiferromagnet, J = 1, written with Pauli matrices.

lattice
triangular
sites
48
boundary
periodic
energies
1

Stored as a total energy in the convention of VarBench; quoted here as E/N (S.S), which is what the papers report (how the conversion works).

Every published energy

Grouped by what the number is. Ranking happens only inside the first group.

Numerically exact (1)

Exact diagonalization, an exact solution, or sign-problem-free QMC where that is established: the answer, not a claim about it.

E/N (S.S)σVar(E)V-score methodsourceyear
-0.558603026490(2) 2.1e-12 n/a n/a Exact Diagonalization Wietek & Läuchli (2018) 2018

Coverage

Newest published number here: 2018. Nothing has been added to this instance since the VarBench snapshot of 2024-10-22.

This instance as data

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