Abstract
The domain wall motion in the presence of an in-plane magnetic field Hy perpendicular to the wall is simulated using a fall implicit numerical scheme. Calculations are performed for the drive fields 0 Oe<Hz<15 Oe and in-plane fields -210 Oe⩽Hy⩽210 Oe. The relation between the average wall velocity v and the drive field Hz is discussed considering the wall structure. It was found that an in-plane field increases the peak velocity of the wall and extends the range of the drive fields, where the linear mobility relation is valid. A dynamical Bloch line stacking was found for sufficiently large drives. The influence of an in-plane field on the angular span of horizontal Bloch lines is discussed also. In particular the occurrence of 2π-horizontal Bloch lines is described. Numerical results obtained with a full implicit method are compared with the experimental observations of bubble motion and good agreement is found for |Hy|≤100 Oe.
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