Magnetic skyrmions at critical coupling
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Publication:2181968
DOI10.1007/S00220-019-03676-1zbMATH Open1439.35472arXiv1812.07268OpenAlexW3098214579WikidataQ126330779 ScholiaQ126330779MaRDI QIDQ2181968
Author name not available (Why is that?)
Publication date: 20 May 2020
Published in: (Search for Journal in Brave)
Abstract: We introduce a family of models for magnetic skyrmions in the plane for which infinitely many solutions can be given explicitly. The energy defining the models is bounded below by a linear combination of degree and total vortex strength, and the configurations attaining the bound satisfy a first order Bogomol'nyi equation. We give explicit solutions which depend on an arbitrary holomorphic function. The simplest solutions are the basic Bloch and N'eel skyrmions, but we also exhibit distorted and rotated single skyrmions as well as line defects, and configurations consisting of skyrmions and anti-skyrmions.
Full work available at URL: https://arxiv.org/abs/1812.07268
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