Sun, Zhou Zhou and Schliemann, John
Fast Domain Wall Propagation under an Optimal Field Pulse in Magnetic Nanowires.
Phys. Rev. Lett. 104, 037206.
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Other URL: http://link.aps.org/doi/10.1103/PhysRevLett.104.037206
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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