@misc{long-hua2015a,
  title = {Scheme for Achieving a Topological Photonic Crystal by Using Dielectric Material},
  author = {Long-Hua Wu, Xiao Hu},
  publisher = {American Physical Society (APS)},
  year = {2015-06-03},
  keywords = {topological insulator, semiconductor photonic crystal, quantum spin Hall effect}
}