TY - JOUR AU - L. You AU - Murray Holland BT - Physical Review A DA - 1996-01 DO - 10.1103/PhysRevA.53.R1 PY - 1996 SP - R1 EP - R4 T2 - Physical Review A TI - Ballistic expansion of trapped thermal atoms VL - 53 SN - 1050-2947 ER -