Supercurrents in Unidirectional Channels Originate from Information Transfer in the Opposite Direction: A Theoretical Prediction

Journal Article (2017)
Author(s)

X. Huang (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)

Yuli V. Nazarov (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)

Research Group
QN/Nazarov Group
DOI related publication
https://doi.org/10.1103/PhysRevLett.118.177001 Final published version
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Publication Year
2017
Language
English
Research Group
QN/Nazarov Group
Issue number
17
Volume number
118
Article number
177001
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235
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Abstract

It has been thought that the long chiral edge channels cannot support any supercurrent between the superconducting electrodes. We show theoretically that the supercurrent can be mediated by a nonlocal interaction that facilitates a long-distance information transfer in the direction opposite of electron flow. We compute the supercurrent for several interaction models, including that of an external circuit.