DOIAbstract
We have obtained expressions for single particle density and two particle density of weakly interacting trapped quantum gases. These are valid for all temperature and in any dimension. These expressions have been simplified and expressed in terms of non-interacting single particle density. The ground fluctuations for T<Tc in grand canonical ensemble has been treated with care using the method of Kocharovsky et al. [Phys. Rev. A 61, 053606 (2000)]. Some numerical results are presented in one and three dimension for isotropic harmonically trapped Bose gas with contact interactions. It is seen that boson density decreases with increasing repulsive interactions. The...
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