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Título: | A model for individual quantal nano-skyrmions |
Autor: | Gauyacq, J. P.; Lorente, Nicolás CSIC ORCID CVN | Palabras clave: | Surface physics Quantal skyrmions IETS |
Fecha de publicación: | 29-may-2019 | Editor: | IOP Publishing | Citación: | Journal of Physics: Condensed Matter 31: 335001 (2019) | Resumen: | A quantal model description of a discrete localized skyrmion singularity embedded in a ferromagnetic environment is proposed. It allows discussing the importance of various parameters in the appearance of a quantal skyrmion singularity. Analysis of the skyrmion reveals a few specific quantal properties: presence of a whole series of skyrmion states, non-classical nature of the local spins, presence of superposition states and presence of extra-skyrmion states due to the quantization of the central spin of the singularity. The interaction of an electron, tunneling or substrate, with the skyrmion is also described allowing a new view at the origin of the skyrmion stability as well as the possibility to discriminate between ferromagnetic and skyrmion phase in an inelastic electron tunneling spectroscopy experiment, based on the skyrmion quantal properties. | Versión del editor: | http://dx.doi.org/10.1088/1361-648X/ab1f3a | URI: | http://hdl.handle.net/10261/203026 | DOI: | 10.1088/1361-648X/ab1f3a | Identificadores: | doi: 10.1088/1361-648X/ab1f3a e-issn: 1361-648X issn: 0953-8984 |
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