Semiquantum thermodynamics of complex ferrimagnets

Barker, J. & Bauer, G. E. W., 2-Oct-2019, In : Physical Review B. 100, 14, 6 p., 140401.

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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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