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Campo Dublin Core | Valor | Idioma |
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dc.contributor.author | Ribeiro, Igor Renato Bueno | - |
dc.contributor.author | Nascimento, Fabio Santos | - |
dc.contributor.author | Ferreira Junior, Silvio da Costa | - |
dc.contributor.author | Melo, Winder Alexander de Moura | - |
dc.contributor.author | Costa, C. A. R. | - |
dc.contributor.author | Borme, J. | - |
dc.contributor.author | Freitas, Paulo Peixeiro | - |
dc.contributor.author | Wysin, G. M. | - |
dc.contributor.author | Araujo, Clodoaldo Irineu Levartoski de | - |
dc.contributor.author | Pereira, Amanda Raimundi | - |
dc.date.accessioned | 2019-05-28T14:17:32Z | - |
dc.date.available | 2019-05-28T14:17:32Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | RIBEIRO, I. R. B. et al. Realization of rectangular artificial spin ice and direct observation of high energy topology. Scientific Reports, v. 7, p. 13982, 2017. Disponível em: <https://www.nature.com/articles/s41598-017-14421-w>. Acesso em: 15 fev. 2019. | pt_BR |
dc.identifier.issn | 2045-2322 | - |
dc.identifier.uri | http://www.repositorio.ufop.br/handle/123456789/11350 | - |
dc.description.abstract | In this work, we have constructed and experimentally investigated frustrated arrays of dipoles forming two-dimensional artificial spin ices with different lattice parameters (rectangular arrays with horizontal and vertical lattice spacings denoted by a and b respectively). Arrays with three different aspect ratios γ = a/b = 2, 3 and 4 are studied. Theoretical calculations of low-energy demagnetized configurations for these same parameters are also presented. Experimental data for demagnetized samples confirm most of the theoretical results. However, the highest energy topology (doubly-charged monopoles) does not emerge in our theoretical model, while they are seen in experiments for large enough γ. Our results also insinuate that the string tension connecting two magnetic monopoles in a pair vanishes in rectangular lattices with a critical ratio γ = γc = 3, supporting previous theoretical predictions. | pt_BR |
dc.language.iso | en_US | pt_BR |
dc.rights | aberto | pt_BR |
dc.title | Realization of rectangular artificial spin ice and direct observation of high energy topology. | pt_BR |
dc.type | Artigo publicado em periodico | pt_BR |
dc.rights.license | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Fonte: o próprio artigo | pt_BR |
dc.identifier.doi | https://doi.org/10.1038/s41598-017-14421-w | pt_BR |
Aparece nas coleções: | DECEA - Artigos publicados em periódicos |
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