Spin-triplet supercurrent carried by quantum Hall edge states through a Josephson junction

Details Spin-triplet supercurrent carried by quantum Hall edge states through a Josephson junction Spin-triplet supercurrent carried by quantum Hall edge states through a Josephson junction

2011-03-04

arxiv.org/abs/1103.0887v1

Phys. Rev. B 83, 195441 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

15 pages with 7 figures

Scientific paper

10.1103/PhysRevB.83.195441

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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