Driving-Induced Crossover: From Classical Criticality to Self-Organized Criticality

Francisco Jose Perez-Reche, Lev Truskinovsky, Giovanni Zanzotto

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

We propose a spin model with quenched disorder which exhibits in slow driving two drastically different types of critical nonequilibrium steady states. One of them corresponds to classical criticality requiring fine-tuning of the disorder. The other is a self-organized criticality which is insensitive to disorder. The crossover between the two types of criticality is determined by the mode of driving. As one moves from "soft" to "hard" driving the universality class of the critical point changes from a classical order-disorder to a quenched Edwards-Wilkinson universality class. The model is viewed as prototypical for a broad class of physical phenomena ranging from magnetism to earthquakes.

Original languageEnglish
Article number230601
Number of pages4
JournalPhysical Review Letters
Volume101
Issue number23
Early online date2 Dec 2008
DOIs
Publication statusPublished - 5 Dec 2008

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