Dissipative Dynamics of a Harmonically Confined Bose-Einstein Condensate

摘要

We study the dissipation of the centre of mass oscillation of a harmonicallyconfined condensate in the presence of a disorder potential. An extension ofthe Generalized Harmonic Theorem allows one to formulate the dynamics from thepoint of view of an oscillating disorder potential. This formulation leads to arigorous result for the damping rate in the limit of weak disorder.