Linear-response theory of spin Seebeck effect in ferromagnetic insulators

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

Research output: Contribution to journalArticle

193 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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