Cross-correlations of coherent multiple Andreev reflections

Roman-Pascal Riwar; Driss M. Badiane; Manuel Houzet; Julia S. Meyer; Yuli V. Nazarov

doi:10.1016/j.physe.2015.10.031

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arXiv · 1511.00299

Cross-correlations of coherent multiple Andreev reflections

Roman-Pascal Riwar·Driss M. Badiane·Manuel Houzet·Julia S. Meyer·Yuli V. Nazarov

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Abstract

We use the Landauer-Büttiker scattering theory for electronic transport to calculate the current cross-correlations in a voltage-biased three-terminal junction with all superconducting leads. At low bias voltage, when charge transport is due to coherent multiple Andreev reflections, we find large cross-correlations compared with their normal-state value. Furthermore, depending on the parameters that characterize the properties of the scattering region between the leads, the cross-correlations can reverse their sign with respect to the case of non-interacting fermionic systems.

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Roman-Pascal Riwar, Driss M. Badiane, Manuel Houzet, Julia S. Meyer, Yuli V. Nazarov. 2015-11-01. Cross-correlations of coherent multiple Andreev reflections. https://doi.org/10.1016/j.physe.2015.10.031

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