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Sarah Barnova on Muck Rack

Sarah Barnova

As seen in: Physical Review B
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Theory of magnetic field stabilized compact skyrmions in thin-film ferromagnets

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By Université de Toulouse, Anne Bernand-Mantel, Anaïs Fondet, Sarah Barnova
| Physical Review B
We present a micromagnetic theory of compact magnetic skyrmions under applied magnetic field that accounts for the full dipolar energy and the interfacial Dzyaloshinskii-Moryia interaction (DMI) in the thin-film regime. Asymptotic analysis is used to derive analytical formulas for the parametric dependence of the skyrmion size and rotation angle, as well as the energy barriers for collapse and bursting, two processes that lead to a finite skyrmion lifetime.
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