Spin current at a magnetic junction as a probe of the Kondo state

Abstract

We investigate the spin Seebeck effect and spin pumping in a junction between a ferromagnetic insulator and a magnetic impurity deposited on a normal metal. By the numerical renormalization group calculation, we show that spin current is enhanced by the Kondo effect. This spin current is suppressed by increase of the temperature or the magnetic field which is comparable with the Kondo temperature. Our results indicate that spin transport can be a direct probe of spin excitation in strongly correlated systems.

arXiv comment5 pages, 4 figures

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Cited by in corpus (9)

• Ferromagnetic resonance modulation in $d$-wave superconductor/ferromagnetic insulator bilayer systems
• Spin Pumping into Anisotropic Dirac Electrons
• Effect of vertex corrections on the enhancement of Gilbert damping in spin pumping into a two-dimensional electron gas
• Multi-Particle Tunneling Transport at Strongly-Correlated Interfaces
• Spin Seebeck Effect in Graphene
• Spin Pumping into Carbon Nanotubes
• Spin Pumping into two-dimensional systems
• Spin pumping into quantum spin chains
• Theory of spin pumping and inverse Rashba-Edelstein effect in a two-dimensional electron gas