Spin current injection via equal-spin Cooper pairs in ferromagnet/superconductor heterostructures
Spin current injection via equal-spin Cooper pairs in ferromagnet/superconductor heterostructures
Equal-spin Cooper pairs are pivotal building blocks for superconducting spintronics devices. In recent experiments unusual behavior was observed in ferromagnet/ferromagnet/superconductor devices when a precession of the magnetization was induced by ferromagnetic resonance. By using a nonequilibrium Usadel Green's function formalism, we study spin transport for such a setup. We solve …