@conference{4946,
  author = {J. Cirac and H. Ritsch and Peter Zoller},
  title = {Interaction of two-level atoms with a quantized cavity field},
  year = {1992},
  publisher = {World Scientific Publishing Company, Incorporated},
  address = {Font-Romeu, France},
  isbn = {9810208375, 9789810208370},
  note = {JILA Pub. 4864},
}