@article{pretty-good-state-transfer-in-qubit-chainsthe-heisenberg-hamiltonian,
  title = {{Pretty good state transfer in qubit chains—The Heisenberg Hamiltonian}},
  author = {L Banchi and G Coutinho and C Godsil and S Severini},
  year = {2017},
  journal = {Journal of Mathematical Physics 2017},
  doi = {10.1063/1.4978327},
  eprint = {1608.04722},
  archivePrefix = {arXiv},
  url = {https://aip.scitation.org/doi/abs/10.1063/1.4978327}
}