TY - JOUR AU - J. Obrecht AU - R. Wild AU - Eric Cornell BT - Physical Review A DA - 2007-06 DO - 10.1103/PhysRevA.75.062903 PY - 2007 T2 - Physical Review A TI - Measuring electric fields from surface contaminants with neutral atoms VL - 75 SN - 1050-2947 ER -