Abstract
We studied the propagation of an artificial skyrmion coupled to the vortex domain wall (VDW). We discovered the following effect: depending on the propagation’s direction, the dynamics of the coupled skyrmion VDW can be faster than the isolated VDW’s velocity. The reason for such behavior is the structural distortion that occurs in the coupled system. We interpret the numerical results in terms of the modified Thiele’s equation. In particular, increasing the Thiele’s equation counteractive coefficient leads to the perfect fitting with the micromagnetic simulation results.
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