TY - JOUR AU - J. Cirac AU - A. Parkins AU - R. Blatt AU - Peter Zoller BT - Physical Review Letters DA - 1993-01 DO - 10.1103/PhysRevLett.70.556 PY - 1993 SP - 556 EP - 559 T2 - Physical Review Letters TI - "Dark" squeezed states of the motion of a trapped ion VL - 70 SN - 0031-9007 ER -