@misc{fu2007superconducting,
  title={Superconducting proximity effect and Majorana fermions at the surface of a topological insulator},
  author={Liang Fu and C. L. Kane},
  year={2007},
  eprint={0707.1692},
  archivePrefix={arXiv},
  primaryClass={cond-mat.mes-hall},
  doi={10.1103/PhysRevLett.100.096407},
  url={https://arxiv.org/abs/0707.1692}
}