Linear-response theory of spin Seebeck effect in ferromagnetic insulators

Hiroto Adachi, Jun Ichiro Ohe, Saburo Takahashi, Sadamichi Maekawa

    Research output: Contribution to journalArticlepeer-review

    211 Citations (Scopus)

    Abstract

    We formulate a linear response theory of the spin Seebeck effect, i.e., a spin voltage generation from heat current flowing in a ferromagnet. Our approach focuses on the collective magnetic excitation of spins, i.e., magnons. We show that the linear-response formulation provides us with a qualitative as well as quantitative understanding of the spin Seebeck effect observed in a prototypical magnet, yttrium iron garnet.

    Original languageEnglish
    Article number094410
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume83
    Issue number9
    DOIs
    Publication statusPublished - Mar 11 2011

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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