Entries by domainwhale

High Temperature and Low Duality for the Ising Model on an Infinite Regular Tree

Today I felt like sharing a computation that I thought was interesting. I’m sure I’m not the first to explore the Ising-Ising duality in this context, but I haven’t found a reference, so here we go. The Ising model, for those uninitiated, is an idealized model of a ferromagnet. One images a crystal where each…