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Tunneling conductance and spin transport in clean ferromagnet/ferromagnet/superconductor heterostructures

Tunneling conductance and spin transport in clean ferromagnet/ferromagnet/superconductor heterostructures

We present a transfer matrix approach that combines the Blonder-Tinkham-Klapwijk (BTK) formalism and self-consistent solutions to the Bogolibuov-de Gennes (BdG) equations and use it to study the tunneling conductance and spin transport in ferromagnet (${\rm F}$)-superconductor (${\rm S}$) trilayers (${\rm F_1F_2 S}$) as functions of bias voltage. The self-consistency ensures …