Bose-Einstein condensation in a two-dimensional, trapped, interacting gas

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1998

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Abstract

We study the Bose-Einstein condensation phenomenon in a two-dimensional (2D) system of bosons subjected to a harmonic-oscillator-type confining potential. The interaction among the 2D bosons is described by a δ function in configuration space. Solving the Gross-Pitaevskii equation within the two-fluid model we calculate the condensate fraction, ground-state energy, and specific heat of the system. Our results indicate that interacting bosons have similar behavior to those of an ideal system for weak interactions.

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Physical Review A - Atomic, Molecular, and Optical Physics

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American Physical Society

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Published Version (Please cite this version)

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English