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Laser heated ferromagnetic simulations
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
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2015 (English)In: Ultrafast Magnetism I, 2015, 76-78 p.Conference 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. 76-78 p.
Series
Springer Proceedings in Physics, ISSN 0930-8989 ; 159
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URN: urn:nbn:se:uu:diva-249061DOI: 10.1007/978-3-319-07743-7_25ISI: 000349745400025ISBN: 978-3-319-07743-7; 978-3-319-07742-0 (print)OAI: oai:DiVA.org:uu-249061DiVA: diva2:807059
Conference
Ultrafast Magnetization Conference, OCT 28-NOV 01, 2013, Strasbourg, FRANCE
Available from: 2015-04-22 Created: 2015-04-10 Last updated: 2017-01-25Bibliographically approved

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Chimata, RaghuveerChico, JonathanBergman, AndersSanyal, BiplabEriksson, Olle

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