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Quantum thermodynamics of complex ferrimagnets

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arxiv 1902.00449 v1 pith:YTTLKFPF submitted 2019-02-01 cond-mat.mtrl-sci

Joseph Barker , Gerrit E.W. Bauer This is my paper · ORCID
classification cond-mat.mtrl-sci
keywords complexquantumagreeatomisticavailableclassicalcomputedata
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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.

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Cited by 1 Pith paper

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  1. Spin Seebeck effect in the layered ferromagnetic insulators CrSiTe$_3$ and CrGeTe$_3$

    cond-mat.mtrl-sci 2019-08 conditional novelty 6.0 of 10

    In CrSiTe3/Pt and CrGeTe3/Pt, the longitudinal spin Seebeck signal persists above the Curie temperature, attributed to exchange-driven interlayer spin transport.

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