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arXiv · 2002.10952

Scattering description of Andreev molecules

J. -D. Pillet·V. Benzoni·J. Griesmar·J. -L. Smirr·Ç. Ö. Girit
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Abstract

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 processes leading to the formation of Andreev molecules.

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J. -D. Pillet, V. Benzoni, J. Griesmar, J. -L. Smirr, Ç. Ö. Girit. 2020-02-25. Scattering description of Andreev molecules. https://doi.org/10.21468/scipostphyscore.2.2.009

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