From Bubble to Skyrmion: Dynamic Transformation Mediated by a Strong Magnetic Tip
A. S. Kirakosyan, V. L. Pokrovsky
Abstract
Skyrmions in thin metallic ferromagnetic films are stable due to competition between the RKKY interaction and uniaxial magnetic anisotropy. We mimic the RKKY interaction by the next-nearest-neighbors ferromagnetic and antiferromagnetic exchange interactions. We demonstrate analytically and numerically dissipative transformation of a bubble created by a strong cylindrical magnetic tip into a stable Skyrmion.
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