title: Nonequilibrium domain pattern formation in mesoscopic magnetic thin film elements assisted by thermally excited spin fluctuations.
abstract: The dynamic behavior in the evolving pattern of thermally assisted, nonequilibrium domains in magnetic thin-film elements undergoing ultrafast 180 degrees magnetization reversal was studied. Magnetization reversal enters a fully dynamic regime when the external field conditions are changed much faster than the sample is able to respond. The dynamic pathway develops a complexity not seen in quasistatic reversal but still retains a high level of order with well-developed dynamic domain patterns formed in response to subnanosecond transitions of the external applied magnetic field.
authors.affiliation: Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada.
authors.forename: B C
authors.initials: BC
authors.lastname: Choi
authors.forename: J
authors.initials: J
authors.lastname: Ho
authors.forename: G
authors.initials: G
authors.lastname: Arnup
authors.forename: M R
authors.initials: MR
authors.lastname: Freeman