TY - JOUR KW - pfc AU - S. Tung AU - V. Schweikhard AU - Eric Cornell BT - Physical Review Letters DA - 2006-12 DO - 10.1103/PhysRevLett.97.240402 PY - 2006 SE - 240402 T2 - Physical Review Letters TI - Observation of Vortex Pinning in Bose-Einstein Condensates VL - 97 SN - 0031-9007 ER -