Nonlocal Andreev reflection at high transmissions

Abstract

We analyze non-local effects in electron transport across three-terminal normal-superconducting-normal (NSN) structures. Subgap electrons entering S-electrode from one N-metal may form Cooper pairs with their counterparts penetrating from another N-metal. This phenomenon of crossed Andreev reflection -- combined with normal scattering at SN interfaces -- yields two different contributions to non-local conductance which we evaluate non-perturbatively at arbitrary interface transmissions. Both these contributions reach their maximum values at fully transmitting interfaces and demonstrate interesting features which can be tested in future experiments.

4 pages, 4 figures

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• Theory of Andreev Bound States in S-F-S Junctions and S-F Proximity Devices
• Relaxation of Nonequilibrium Quasiparticles in Mesoscopic Size Superconductors
• Shot noise and Coulomb effects on non-local electron transport in normal-superconducting-normal heterostructures
• Transverse shift in crossed Andreev reflection
• Cross-correlated shot noise in three-terminal superconducting hybrid nanostructures
• Long range crossed Andreev reflections in high Tc superconductors
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• Nonlocal transport through multiterminal diffusive superconducting nanostructures
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• Non local Andreev reflection in a carbon nanotube superconducting quantum interference device
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• Many-particle Majorana bound states: derivation and signatures in superconducting double quantum dots
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• Generic model for Cooper pair splitting
• Coulomb blockade of non-local electron transport in metallic conductors
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• Crossed Andreev reflection and spin-resolved non-local electron transport
• Non-local electron transport and Coulomb effects in three-terminal metallic conductors
• Long-range Cooper pair splitting by chiral Majorana edge states