Spin current in superconductors

Sadamichi Maekawa, Saburo Takahashi, Shin Ichi Hikino, Michiyasu Mori

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Superconductivity and ferromagnetism are competing ordered states of matter. It is shown that in superconductor/ferromagnet/superconductor junctions, the coupled dynamics brings about the novel phenomena: The ferromagnetic resonance induces the DC component of the Josephson current in the junctions. In a superconductor/half-metallic-ferromagnet/superconductor junction, the singlet pairs are converted to the triplet ones and the Josephson coupling occurs accompanied by the back flow of spin current. The recent experiment is discussed in the light of the theory.

Original languageEnglish
Pages (from-to)341-354
Number of pages14
JournalProgress of Theoretical Physics Supplement
Issue number176
DOIs
Publication statusPublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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