Damping of low-energy excitations of a Bose-condensed gas in the hydrodynamic regime
Peter O. Fedichev, A. E. Muryshev, Gora V. Shlyapnikov
We develop a theory to describe the damping of elementary excitations of a Bose-condensed gas in the hydrodynamic regime for the thermal cloud. We discuss second sound in a spatially homogeneous gas and the lowest excitations of a trapped condensate.
arXiv:cond-mat/9911238•Nov 16, 1999•0 citations