Collisional matter-phase damping in Bose-condensed gas
L. I. Plimak, M. J. Collett, D. F. Walls
Abstract
Collisional damping of the excitations in a Bose-condensed gas is investigated over the wide range of energies and temperatures. Numerical results for the damping rate are presented and a number of asymptotic and interpolating expressions for it are derived.
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