TY - JOUR AU - Blakie, P AU - Ballagh, R AU - Clark, Charles C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 2003-08-01 LA - en M1 - 68 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 2003 TI - Output Coupling from a Trapped Bose-Einstein Condensate in a Vortex State ER -