A ferromagnetic domain wall driven by an AC field or current above the Walker threshold moves at a speed set by the AC frequency, not its amplitude, via phase locking of the wall's internal angle.
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Magnetic Domain Wall Motion due to AC Bias-Driven Resonances
A ferromagnetic domain wall driven by an AC field or current above the Walker threshold moves at a speed set by the AC frequency, not its amplitude, via phase locking of the wall's internal angle.