Hysteresis, Barkhausen noise, and disorder induced critical behavior

Karin Dahmen, James P. Sethna, Matthew C. Kuntz, Olga Perković

Research output: Contribution to journalArticlepeer-review


Hysteresis and Barkhausen noise was studied using the zero temperature random field Ising model (RFIM). By adding disorder to the system, a second-order phase transition was found from hysteresis loops with macroscopic jumps or bursts to smoothly varying hysteresis loops. Numerical simulations revealed that the critical region is remarkably large.

Original languageEnglish (US)
Pages (from-to)CC-1
JournalDigests of the Intermag Conference
StatePublished - 2000
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films


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