Non-mean-field behavior of the contact process on scale-free networks
Tipus de documentArticle
Condicions d'accésAccés obert
We present an analysis of the classical contact process on scale-free networks. A mean-field study, both for finite and infinite network sizes, yields an absorbing-state phase transition at a finite critical value of the control parameter, characterized by a set of exponents depending on the network structure. Since finite size effects are large and the infinite network limit cannot be reached in practice, a numerical study of the transition requires the application of finite size scaling theory. Contrary to other critical phenomena studied previously, the contact process in scale-free networks exhibits a nontrivial critical behavior that cannot be quantitatively accounted for by mean-field theory.
CitacióCastellano, C.; Pastor-Satorras, R. Non-mean-field behavior of the contact process on scale-free networks. "Physical review letters", 2006, vol. 3, núm. 96, p. 1-4.
Versió de l'editorhttp://prl.aps.org/pdf/PRL/v96/i3/e038701