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

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

1998-07-29

arxiv.org/abs/cond-mat/9807377v1

Physical Review A 58, 3134 (1998)

Physics

Condensed Matter

Statistical Mechanics

LaTeX, 4 pages, 4 figures, uses grafik.sty (included), to be published in Phys. Rev. A, tentatively scheduled for 1 October 19

Scientific paper

10.1103/PhysRevA.58.3134

We study Bose-Einstein condensation phenomenon in a two-dimensional (2D) system of bosons subjected to an harmonic oscillator type confining potential. The interaction among the 2D bosons is described by a delta-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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