@article{4371,
  author = {T. Walker and D. Sesko and Carl Wieman},
  title = {Collective behavior of optically trapped neutral atoms},
  year = {1990},
  journal = {Physical Review Letters},
  volume = {64},
  pages = {408-411},
  month = {Jan-01-1990},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.64.408},
}