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Keywords: Andreev reflection.svg Diagram of Andreev reflection An electron meeting the interface between a normal conductor and a superconductor produces a Cooper pair in the superconductor and a retroreflected electron hole in the normal conductor Legend N normal conductor S superconductor red electron green hole Arrows indicate the spin band occupied by each particle Drawn in Inkscape by Ilmari Karonen 2006-08-17 Ilmari Karonen Other fields + Superconductors |