@article{Xue:2012,
  author  = "P. Xue and Z. Ficek and B. Sanders",
  title   = "Probing multipartite entanglement in a coupled Jaynes-Cummings system",
  journal = "Physical Review A",
  volume  = "Vol. 86",
  number  = "no. 4",
  pages   = "1--10",
  year    = "2012",
}