TY - JOUR AU - B. Seaman AU - L. Carr AU - Murray Holland BT - Physical Review A DA - 3/2005 DO - 10.1103/PhysRevA.71.033609 PY - 2005 T2 - Physical Review A TI - Effect of a potential step or impurity on the Bose-Einstein condensate mean field VL - 71 SN - 1050-2947 ER -