Proximity effect-assisted absorption of spin currents in superconductors
arXiv:0712.2814 · doi:10.1209/0295-5075/84/57008
Abstract
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].
4 pages
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- Effect of Meissner screening and trapped magnetic flux on magnetization dynamics in thick Nb/Ni80Fe20/Nb trilayers
- Generation of pure superconducting spin current in magnetic heterostructures via non-locally induced magnetism due to Landau Fermi-liquid effects
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- Non-equilibrium effects in a Josephson junction coupled to a precessing spin
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- Temperature-dependent spin-transport and current-induced torques in superconductor/ferromagnet heterostructures
- Large enhancement of spin pumping due to the surface bound states in normal metal/superconductor structures
- Transport and magnetization dynamics in a superconductor/single-molecule magnet/superconductor junction
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- Spin pumping between noncollinear ferromagnetic insulators through thin superconductors
- Spin-polarized Shapiro steps and spin-precession-assisted multiple Andreev reflection
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