Short and long-range Ising models

Crossover between a short-range and a long-range Ising model.
Taro Nakada, Per Arne Rikvold, Takashi Mori, Masamichi Nishino, and Seiji Miyashita
Phys. Rev. B 84, 054433 (2011)

Estimates for Tc(α,L) for different values of α vs L −1. α = 0 (pure Ising), 0.0001, 0.001, 0.01, 0.1, 0.5, and 1 (Husimi-Temperley).