Abstract
We study the tunneling conductance in ferromagnetic semiconductor/insulator/s-wave superconductor junction where Rashba spin–orbit interaction (RSOI) and exchange field are taken into account. We find that for high transparent interface, normalized conductance is increased (reduced) by RSOI for large (small) exchange field, especially, normalized conductance at zero voltage has a maximal value as a function of RSOI. This is because Andreev reflection probability shows a nonmonotonic dependence on RSOI. On the other hand, normalized conductance is increased by RSOI for the intermediate transparent interface.
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