TY - JOUR AU - D Jin AU - M Matthews AU - J Ensher AU - C Wieman AU - Eric Cornell 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 -