Proximity effect-assisted absorption of spin currents in superconductors

Details Proximity effect-assisted absorption of spin currents in superconductors Proximity effect-assisted absorption of spin currents in superconductors

2007-12-17

arxiv.org/abs/0712.2814v1

Europhys. Lett. 84, 57008 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages

Scientific paper

10.1209/0295-5075/84/57008

The injection of pure spin current into superconductors by the dynamics of a ferromagnetic contact is studied theoretically. Taking into account 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 agree with recent experiments in Nb|permalloy bilayers [C. Bell et al., arXiv:cond-mat/0702461].

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