2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18429A general Landauer-Büttiker-type current formula is derived, which can be applied to the ferromagnet (F)/Normal metal (N)/superconductor (S), F/N/N, N/N/S and N/N/N systems in the presence of various kinds of interactions in the central region.17 pages, Revtex formatMesoscale and Nanoscale PhysicsMaterials Sciencetext