Fig. 4: Benchmarking FNQS on the J1-J2-J3 Heisenberg model along the axis J3 = 0.
From: Foundation neural-networks quantum states as a unified Ansatz for multiple hamiltonians
a FNQS results for the square magnetization corresponding to the Néel (\({m}_{{{{\rm{N}}}}\acute{{{{\rm{e}}}}}{{{\rm{el}}}}}^{2}\)) and stripe (\({m}_{{{{\rm{stripe}}}}}^{2}\)) order parameters are compared at J3/J1 = 0 with exact diagonalization calculations (solid and dashed black lines) on a 6 × 6 cluster. b Variational estimates of the magnetic order parameters are compared with Quantum Monte Carlo (QMC, blue circles) at J2/J1 = 0, and with Vision Transformer architecture (ViT, red stars) at J2/J1 = 0.5 on a 10 × 10 lattice.
