On the equivalence between the Barkhausen effect and directed Abelian sandpile models

Details On the equivalence between the Barkhausen effect and directed Abelian sandpile models On the equivalence between the Barkhausen effect and directed Abelian sandpile models

1999-03-12

arxiv.org/abs/cond-mat/9903207v1

Physics

Condensed Matter

4 pages, RevTex, submitted to Phys. Rev. Lett

Scientific paper

The existence of self-organized criticality in the Barkhausen effect and its analogy with sandpile models is investigated. It is demonstrated that a model recently introduced to describe the dynamics of a domain wall [Cizeau et al, Phys. Rev. Lett. 79, 4669 (1997)] belongs to the universality class of undirected Abelian sandpile models. In this way it is shown that the Barhausen effect can be taken as an experimental observation of self-organized critical phenomena.

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