In a Kondo-regime quantum dot with two ferromagnetic leads and a superconductor, the linear cross conductance becomes negative when the superconducting coupling exceeds the normal tunnel coupling, and antiparallel spin polarization increases the negative value.
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Enhanced negative nonlocal conductance in an interacting quantum dot connected to two ferromagnetic leads and one superconducting lead
In a Kondo-regime quantum dot with two ferromagnetic leads and a superconductor, the linear cross conductance becomes negative when the superconducting coupling exceeds the normal tunnel coupling, and antiparallel spin polarization increases the negative value.