@article{3100,
  author = {R. Wilson and C. Ticknor and John Bohn and Eddy Timmermans},
  title = {Roton immiscibility in a two-component dipolar Bose gas},
  abstract = {We characterize the immiscibility-miscibility transition (IMT) of a two-component Bose-Einstein condensate (BEC) with dipole-dipole interactions. In particular, we consider the quasi-two-dimensional geometry, where a strong trapping potential admits only zero-point motion in the trap direction, while the atoms are more free to move in the transverse directions. We employ the Bogoliubov treatment of the two-component system to identify both the well-known long-wavelength IMT in addition to a rotonlike IMT, where the transition occurs at finite-wave number and is reminiscent of the roton softening in the single-component dipolar BEC. Additionally, we verify the existence of the roton IMT in the fully trapped, finite systems by direct numerical simulation of the two-component coupled nonlocal Gross-Pitaevskii equations.},
  year = {2012},
  journal = {Phys. Rev. A},
  volume = {86},
  pages = {033606},
  month = {2012-09},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.86.033606},
  doi = {10.1103/PhysRevA.86.033606},
}