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Pillet, Jean-Damien; Benzoni, Vincent; Griesmar, Joël; Smirr, Jean-Loup; Girit, Çağlar
SciPost physics core, 04/2020, Letnik: 2, Številka: 2Journal Article
An Andreev molecule is a system of closely spaced superconducting weak links accommodating overlapping Andreev Bound States. Recent theoretical proposals have considered one-dimensional Andreev molecules with a single conduction channel. Here we apply the scattering formalism and extend the analysis to multiple conduction channels, a situation encountered in epitaxial superconductor/semiconductor weak links. We obtain the multi-channel bound state energy spectrum and quantify the contribution of the microscopic non-local transport processes leading to the formation of Andreev molecules.
