@article{5176,
  author = {J. Cirac and R. Blatt and A. Parkins and Peter Zoller},
  title = {Laser cooling of trapped ions with polarization gradients},
  year = {1993},
  journal = {Physical Review A},
  volume = {48},
  pages = {1434-1445},
  month = {Jan-08-1993},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.48.1434},
}