Enhancing triplet superconductivity by the proximity to a singlet superconductor in oxide heterostructures

Mats Horsdal; Giniyat Khaliullin; Timo Hyart; Bernd Rosenow

doi:10.1103/PhysRevB.93.220502

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Enhancing triplet superconductivity by the proximity to a singlet superconductor in oxide heterostructures

Mats Horsdal, Giniyat Khaliullin, Timo Hyart, Bernd Rosenow

DOI 10.1103/PhysRevB.93.220502 · Physical Review B

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Abstract

We show how in principle a coherent coupling between two superconductors of opposite parity can be realized in a three-layer oxide heterostructure. Due to strong intraionic spin-orbit coupling in the middle layer, singlet Cooper pairs are converted into triplet ones and vice versa. This results in a large enhancement of the triplet superconductivity, persisting well above the native triplet critical temperature.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown