Influence of the Finite Size Effect on Properties of a Weakly Interacting Bose G as in Improved Hatree-fock Approximation
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Abstract
The finite size effect causes many interesting behaviors in properties of a weakly interacting Bose gas. These behaviors were considered in one-loop approximation of quantum field theory. In this paper the influence is investigated in improved Hatree-Fock approximation, which gives more accurate results.
Keywords:
finite size effect, improved Hatree-Fock approximation, Bose-Einstein condensate.