@article{MariEisert2012,
  author    = {A. Mari and J. Eisert},
  title     = {Opto- and electro-mechanical entanglement improved by modulation},
  journal   = {New journal of physics : the open-access journal for physics},
  volume    = {14},
  doi       = {10.1088/1367-2630/14/7/075014},
  year      = {2012},
}