Spontaneous creation and annihilation dynamics and strain-limited stability of magnetic skyrmions

Skyrmions are spin textures which have integer topological charge. Typically they are very stable. Here, the authors observe the spontaneous creation and annihilation of skyrmions in regions of high exchange energy density, suggesting a limit to skyrmion stability.

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Detalles Bibliográficos
Autores principales: Frederic Rendell-Bhatti, Raymond J. Lamb, Johannes W. van der Jagt, Gary W. Paterson, Henk J. M. Swagten, Damien McGrouther
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/ca5306163d5d49a789c50167675c673f
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Descripción
Sumario:Skyrmions are spin textures which have integer topological charge. Typically they are very stable. Here, the authors observe the spontaneous creation and annihilation of skyrmions in regions of high exchange energy density, suggesting a limit to skyrmion stability.