Splitting of a moving transverse domain wall in a magnetic nanostripe in a transverse field

in: Physical Review B (2010)
Glathe, Sascha; Zeisberger, Matthias; Hübner, Uwe; Mattheis, Roland; Berkov, Dmitri V.
The field-driven domain-wall dynamics in magnetic nanostripes under the influence of transverse fields was examined experimentally and by numerical simulations. For a small range of transverse fields in a regime below the Walker field an unexpected instantaneous change in the domain-wall velocity was found. Micromagnetic simulations have shown that this peculiar behavior is caused by a transformation of the moving asymmetric transverse wall: the wall is stretched along the nanostripe due to different velocities of the upper and lower half antivortices constituting the domain wall.

DOI: Array

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