J. Phys. IV France 10 (2000) Pr5-347-Pr5-350
The ground-state energy of the quasi-one-dimensional charged Bose condensateL. Calmels1 and A. Gold2
1 Department of Physics and Astronomy, University of Wales, P.O. Box 913, Cardiff CF2 3YB, U.K.
2 Centre d'Élaboration des Matériaux et d'Études Structurales, CEMES-LOE, 29 rue Jeanne Marvig, 31055 Toulouse, France
In a recent paper we studied the ground-state energy of a quasi-one dimensional charged Bose condensate confined by a two-dimensional oscillator potential [l]. Many-body effects beyond the RPA have been taken into account by the local-field correction. In the present paper we study a quasi-one dimensional charged Bose condensate with a cylindrical confinement model (hard walls) and compare with the results of an electron gas. The following quantities are calculated : interaction energy, pair-correlation function, local-field correction, dielectric function, collective modes.
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