TY - JOUR AU - Jin, D AU - Matthews, M AU - Ensher, J AU - Wieman, C AU - Cornell, Eric C2 - Physical Review Letters DA - 1997-01-01 00:01:00 LA - en M1 - 78 PB - Physical Review Letters PY - 1997 TI - Temperature-dependent damping and frequency shifts in collective excitations of a dilute Bose-Einstein condensate ER -