Figure 4: 〈e−σ〉δ as a function of ε0 from Monte Carlo simulations of the Ising model, for δ = 0.1 (empty symbols) and δ = 0.3 (filled symbols).
From: Scaling Law for Irreversible Entropy Production in Critical Systems

(a) On a 2D square lattice with L = 50 (circles), L = 100 (squares), and L = 200 (triangles). (b) On a 3D cubic lattice with L = 20 (circles), L = 40 (squares), and L = 50 (triangles).