The Hamiltonian
H = −t ∑⟨ij⟩,σ (c†iσcjσ + h.c.) + U ∑i ni↑ni↓
t = 1, U = 8, N↑ = N↓ = 176 on 384 sites.
- lattice
- rectangular-8x48
- sites
- 384
- boundary
- periodic
- Nf
- 176
- U
- 8
- energies
- 3
Stored as a total energy in the convention of
VarBench; quoted here as
E/site, which is what the papers report
(how the conversion works).
How these numbers were read
Rows added after the VarBench import record where the number came from.
-0.6854(2) — CP-AFQMC (trial state: 2/3-filled stripe, λ = 8)
Checked 2026-10-07 · source text of arXiv:2112.02187 read locally (arXiv HTML or pypdf layout text); value copied from the harvested cell and the text, no LLM transcription of numbers; single reading
Reported as. -0.6854(2)
Table II, row 48 x 8, column λ = 8 (2/3-filled stripe state); mixed-estimator constrained-path AFQMC, not a variational bound | Energy per site in units of t, U = 8, hole doping 1/12, 'fully periodic supercells ... with no pinning fields' (Table II caption); 48 x 6 is QMBL's 6 x 48 torus with 132 + 132 electrons.
-0.6852(2) — CP-AFQMC (trial state: filled stripe, λ = 12)
Checked 2026-10-07 · source text of arXiv:2112.02187 read locally (arXiv HTML or pypdf layout text); value copied from the harvested cell and the text, no LLM transcription of numbers; single reading
Reported as. -0.6852(2)
Table II, row 48 x 8, column λ = 12 (filled stripe state); mixed-estimator constrained-path AFQMC, not a variational bound | Energy per site in units of t, U = 8, hole doping 1/12, 'fully periodic supercells ... with no pinning fields' (Table II caption); 48 x 6 is QMBL's 6 x 48 torus with 132 + 132 electrons.
-0.6821(2) — CP-AFQMC (trial state: half-filled stripe, λ = 6)
Checked 2026-10-07 · source text of arXiv:2112.02187 read locally (arXiv HTML or pypdf layout text); value copied from the harvested cell and the text, no LLM transcription of numbers; single reading
Reported as. -0.6821(2)
Table II, row 48 x 8, column λ = 6 (half-filled stripe state); mixed-estimator constrained-path AFQMC, not a variational bound | Energy per site in units of t, U = 8, hole doping 1/12, 'fully periodic supercells ... with no pinning fields' (Table II caption); 48 x 6 is QMBL's 6 x 48 torus with 132 + 132 electrons.