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Proximity-induced unconventional superconductivity in topological insulators
2013
Physical Review B
We study and classify the proximity-induced superconducting pairing in a topological insulator (TI)-superconductor (SC) hybrid structure for SCs with different symmetries. The Dirac surface state gives a coupling between spin-singlet and spin-triplet pairing amplitudes as well as pairing that is odd in frequency for p-wave SCs. We also find that all SCs induce pairing that is odd in both frequency and orbital (band) index, with oddness in frequency and orbital index being completely
doi:10.1103/physrevb.87.220506
fatcat:wrgyk2uoavgdxgod6aoadbfdzi