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Atomistic-continuum multiscale modelling of magnetisation dynamics at non-zero temperature
Uppsala University, Uppsala, Sweden; École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
Uppsala University, Uppsala, Sweden.
Uppsala University, Uppsala, Sweden.
2018 (English)In: Advances in Computational Mathematics, ISSN 1019-7168, E-ISSN 1572-9044, Vol. 44, no 4, p. 1119-1151Article in journal (Refereed) Published
Abstract [en]

In this article, a few problems related to multiscale modelling of magnetic materials at finite temperatures and possible ways of solving these problems are discussed. The discussion is mainly centred around two established multiscale concepts: the partitioned domain and the upscaling-based methodologies. The major challenge for both multiscale methods is to capture the correct value of magnetisation length accurately, which is affected by a random temperature-dependent force. Moreover, general limitations of these multiscale techniques in application to spin systems are discussed.

Place, publisher, year, edition, pages
2018. Vol. 44, no 4, p. 1119-1151
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:mdh:diva-45330DOI: 10.1007/s10444-017-9575-3OAI: oai:DiVA.org:mdh-45330DiVA, id: diva2:1355424
Available from: 2019-09-28 Created: 2019-09-28 Last updated: 2019-10-11Bibliographically approved

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