Spin-triplet supercurrent carried by quantum Hall edge states through a Josephson junction
J. A. M. van Ostaay, A. R. Akhmerov, C. W. J. Beenakker
DOI 10.1103/PhysRevB.83.195441 · Physical Review B
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Abstract
We show that a spin-polarized Landau level in a two-dimensional electron gas can carry a spin-triplet supercurrent between two spin-singlet superconductors. The supercurrent results from the interplay of Andreev reflection and Rashba spin-orbit coupling at the normal-superconductor (NS) interface. We contrast the current-phase relationship and the Fraunhofer oscillations of the spin-triplet and spin-singlet Josephson effect in the lowest Landau level and find qualitative differences.
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