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Fast Domain Wall Propagation under an Optimal Field Pulse in Magnetic Nanowires

URN to cite this document:
urn:nbn:de:bvb:355-epub-243023
Sun, Zhou Zhou ; Schliemann, John
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Date of publication of this fulltext: 11 May 2012 09:50


Abstract

We investigate field-driven domain wall (DW) propagation in magnetic nanowires in the framework of the Landau-Lifshitz-Gilbert equation. We propose a new strategy to speed up the DW motion in a uniaxial magnetic nanowire by using an optimal space-dependent field pulse synchronized with the DW propagation. Depending on the damping parameter, the DW velocity can be increased by about 2 orders of ...

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