Analysis explores how an in-plane field improves domain wall motion dynamics in a one-dimensional setup, suggesting broader implications for similar materials.
The dynamic character of domain wall motion was investigated for a one-dimensional planar wall by solving numerically Gilbert equation of motion. It is confirmed from the numerical analysis that the application of the in-plane field is useful to improve the dynamic character, especially in the high drive field region. Despite the analysis was made for a virtual one-dimensional wall, the results seem to explain qualitatively the experiments in garnet bubbles. Besides we solved the wall motion analytically by making an approximation with a simplified wall profile under the biased in-plane field, from which all properties obtained by the numerical analysis can easily be derived.
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Fujii et al. (1978) studied this question.
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