@article{Physics.3.85,
  title = {Breaking time reversal symmetry with light},
  author = {Greentree, Andrew D. and Martin, Andrew M.},
  journal = {Physics},
  volume = {3},
  issue = {},
  pages = {85},
  numpages = {1},
  year = {2010},
  month = {Oct},
  doi = {10.1103/Physics.3.85},
  url = {http://link.aps.org/doi/10.1103/Physics.3.85},
  publisher = {American Physical Society}
}