Semiquantum thermodynamics of complex ferrimagnets

Joseph Barker*, Gerrit E. W. Bauer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

37 Citations (Scopus)
242 Downloads (Pure)


High-quality magnets such as yttrium iron garnet (YIG) are electrically insulating and very complex. By implementing a quantum thermostat into atomistic spin dynamics we compute YIG's key thermodynamic properties, viz., the magnon power spectrum and specific heat, for a large temperature range. The results differ (sometimes spectacularly) from simple models and classical statistics, but agree with available experimental data.

Original languageEnglish
Article number140401
Number of pages6
JournalPhysical Review B
Issue number14
Publication statusPublished - 2-Oct-2019


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