Proximity-effect-assisted decay of spin currents in superconductors

J. P. Morten, A. Brataas, G. E.W. Bauer, W. Belzig, Y. Tserkovnyak

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The injection of pure spin current into superconductors by the dynamics of a ferromagnetic contact is studied theoretically. Taking into account the suppression of the order parameter at the interfaces (inverse proximity effect) and the energy-dependence of spin-flip scattering, we determine the temperature-dependent ferromagnetic resonance linewidth broadening. Our results compare well with recent experiments in Nb|permalloy bilayers (Bell C. et al., Phys. Rev. Lett., 100 (2008) 047002).

Original languageEnglish
Article number57008
JournalEPL
Volume84
Issue number5
DOIs
Publication statusPublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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