2004/11/30 by Bertrand Berche, Pierre-Emmanuel Berche, Christophe Chatelain +1
Physics and Astronomy · #cond-mat.stat-mech
published as Condensed Matter Physics 8 (2005) pp 47-58 · Latex file, 4 figures
arxiv created 2004/12/03 · arxiv updated 2009/12/01
We discuss different approaches for studying the influence of disorder in the three-dimensional Ising model. From the theoretical point of view, renormalisation group calculations provide quite accurate results. Experiments carried out on crystalline mixtures of compounds lead to measurements as accurate as three digits on the values of critical exponents. Numerically, extensive Monte Carlo simulations then pretend to be of comparable accuracy. Life becomes complicated when details are compared between the three approaches.