Research news on Ising model

The Ising model, when used as a technique, refers to a computational and analytical framework for studying systems of binary variables with pairwise interactions, typically on a lattice or graph, via an energy (Hamiltonian) function of spin configurations. As a technique, it underpins methods such as Monte Carlo simulations (e.g., Metropolis, cluster algorithms), mean-field and variational approximations, and graphical model inference (e.g., Boltzmann machines, Ising network reconstruction). It is applied to quantify phase behavior, critical phenomena, and correlation structure, and to perform tasks like parameter estimation, model selection, and inference in domains ranging from statistical physics to network science and computational neuroscience.

Toward quantum enhanced coherent Ising machines

The Graduate School of Information Science (GSIS) at Tohoku University, together with the Physics and Informatics (PHI) Lab at NTT Research, Inc., have jointly published a paper in the journal Quantum Science and Technology. ...