Generic new platform for topological quantum computation using semiconductor heterostructures.

  title={Generic new platform for topological quantum computation using semiconductor heterostructures.},
  author={Jay Deep Sau and Roman M. Lutchyn and Sumanta Tewari and Sankar Das Sarma},
  journal={Physical review letters},
  volume={104 4},
We show that a film of a semiconductor in which s-wave superconductivity and Zeeman splitting are induced by the proximity effect, supports zero-energy Majorana fermion modes in the ordinary vortex excitations. Since time-reversal symmetry is explicitly broken, the edge of the film constitutes a chiral Majorana wire. The heterostructure we propose-a semiconducting thin film sandwiched between an s-wave superconductor and a magnetic insulator-is a generic system which can be used as the platform… CONTINUE READING

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S. Das Sarma, M. Freedman, C. Nayak
Rev. Lett. 94, 166802 • 2005

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