Abstract
In the scheme of the density and phase operator approach, the momentum distribution nk and the ground-state energy Eo are obtained by employing the structure factor and the radial distribution function calculated by Chang and Campbell for the Morse dipole-dipole potential. The condensate fraction, the ratio of the occupation number of the single-particle zero-momentum state No/N amounts to 0.096. The momentum distribution diverges as k- 1 in the low-wave number limit. The ground-state energy becomes Eo= -6.9 NK at the mean density po =0.02185.A-•.
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