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Non-Thermal Modeling Of Energy Propagation Carried By Phonons and Magnons
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Heat transport by phonons and magnons in crystals due to a local perturbation in temperature is described by the Boltzmann transport equation. In this project a one phonon one magnon system was studied in a one dimensional rod with reflective boundaries. Using the splitting algorithm the problem was reduced to a transport and collision term. The resulting stabilization time for a initial phonon and magnon distribution and the respective temperatures at equilibrium was calculated. This study shows how energy propagates in crysials and gives further understanding of how the coupling of phonons and magnons affect heat transport.

Place, publisher, year, edition, pages
2019. , p. 28
Series
TVE-F ; 19002
Keywords [en]
phonon, magnon, Boltzmann transport equation, Heat transport, Atom
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:uu:diva-386072OAI: oai:DiVA.org:uu-386072DiVA, id: diva2:1326896
Educational program
Master Programme in Engineering Physics
Presentation
2019-06-05, Å2003, Lägerhyddsvägen 1, Uppsala, 13:45 (English)
Supervisors
Examiners
Available from: 2019-06-28 Created: 2019-06-18 Last updated: 2019-06-28Bibliographically approved

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Atom and Molecular Physics and Optics

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CiteExportLink to record
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  • apa
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