Monte Carlo simulations of remanent magnetization decay driven by interactions

M. E. Matson, D. K. Lottis, E D Dahlberg

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Many physical systems, including ferromagnets, exhibit slow relaxation behavior. The usual explanation of this time dependence is to assume a distribution of energy barriers, i.e., disorder. A recent model [Phys. Rev. Lett. 67, 362 (1991)] relies on a mean field approximation of magnetostatic interactions to be the driving force responsible for the decay. Following this work, we have simulated the dynamics interacting Ising spin system key features found in the original model. In addition, it is shown that the interaction driven relaxation results in a faster decay of the magnetization; a result reflecting the model system is being driven towards its equilibrium state by the interactions.

Original languageEnglish (US)
Pages (from-to)5475-5477
Number of pages3
JournalJournal of Applied Physics
Volume75
Issue number10
DOIs
StatePublished - Dec 1 1994

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