@Article{PhysRevLett.105.204101,
  title = {Classical Bifurcation at the Transition from Rabi to Josephson Dynamics},
  author = {Zibold, Tilman  and Nicklas, Eike  and Gross, Christian  and Oberthaler, Markus K.},
  journal = {Phys. Rev. Lett.},
  volume = {105},
  number = {20},
  pages = {204101},
  numpages = {4},
  year = {2010},
  month = {Nov},
  doi = {10.1103/PhysRevLett.105.204101},
  publisher = {American Physical Society}
}