Intrinsic nonlinear ferromagnetic relaxation in thin metallic films

A. Yu Dobin, R. H. Victora

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

An intrinsic mechanism of nonlinear ferromagnetic relaxation in thin metallic films was proposed. Using analytic theory as well as micromagnetic simulations, it was shown that the four-magnon scattering process was responsible for a rapid decay of the k=0 mode into k ≠ 0 magnons. This mechanism dominates competing linear relaxation mechanisms and governs large angle magnetization reversal in technologically important systems.

Original languageEnglish (US)
Article number167203
Pages (from-to)167203/1-167203/4
Number of pages1
JournalPhysical Review Letters
Volume90
Issue number16
DOIs
StatePublished - Apr 25 2003

Bibliographical note

Funding Information:
This work was supported by the NSF through the MRSEC program, Grant No. NSF/DMR-9809364, and by the University of Minnesota Supercomputing Institute.

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