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Laser heated ferromagnetic simulations
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Material Physics, MF.ORCID iD: 0000-0003-4341-5663
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2015 (English)In: ULTRAFAST MAGNETISM I, 2015, p. 76-78Conference paper, Published paper (Refereed)
Abstract [en]

In this work, we show a model of ferromagnetic material heated by a laser pulse. The laser creates a pattern of circles on the ferromagnetic materials with hot regions heated up to 3000K and cold regions at 100K and 400K. In our model the Landau-Lifshitz-Gilbert equation for a macrospin and spin temperature is passed through stochastic field. We show that the difference of magnon dispersion in the cold regions of the material.

Place, publisher, year, edition, pages
2015. p. 76-78
Keyword [en]
Dispersions, Ferromagnetic materials, Ferromagnetism, Magnetism, Stochastic models, Stochastic systems, Cold regions, Hot regions, Landau-Lifshitz-Gilbert equations, Spin temperature, Stochastic field, Magnetic materials
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-167396DOI: 10.1007/978-3-319-07743-7_25ISI: 000349745400025Scopus ID: 2-s2.0-84910633071ISBN: 978-3-319-07743-7 (print)ISBN: 978-3-319-07742-0 (print)OAI: oai:DiVA.org:kth-167396DiVA, id: diva2:814473
Conference
International Conference on Ultrafast Magnetism, UMC 2013, 28 October 2013 through 1 November 2013, Strasbourg, France
Note

QC 20150527

Available from: 2015-05-27 Created: 2015-05-22 Last updated: 2015-05-27Bibliographically approved

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Bergqvist, Lars

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Citation style
  • apa
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  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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