Simple Monte Carlo program for the Newman Moore model: a 3-spin model composed of Ising spins σ = ±1 on a triangular lattice with short-range interactions and a single-spin-flip dynamics.
The Hamiltonian is
Reference: https://arxiv.org/pdf/cond-mat/9707273.pdf
MC reference: https://arxiv.org/pdf/1404.0209.pdf