Enhancing triplet superconductivity by the proximity to a singlet superconductor in oxide heterostructures
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
tripletcouplingoxidesingletsuperconductivityabovecoherentconverted
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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.
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