@article{54291,
  author = {Agarwal and Kenan Qu},
  title = {Spontaneous generation of photons in transmission of quantum fields in PT-symmetric optical systems},
  year = {2012},
  journal = {Phys. Rev. A},
  volume = {85},
  number = {3},
  pages = {031802(R)},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.85.031802},
  language = {eng},
}