On multistep Bose-Einstein condensation in anisotropic traps

DOI10.1088/0305-4470/33/3/305zbMATH Open0962.82004arXivquant-ph/9906071OpenAlexW3099841383MaRDI QIDQ4498567

K. Shiokawa

Publication date: 26 March 2001

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Abstract: Multistep Bose-Einstein condensation of an ideal Bose gas in anisotropic harmonic atom traps is studied. In the presence of strong anisotropy realized by the different trap frequency in each direction, finite size effect dictates a series of dimensional crossovers into lower-dimensional excitations. Two-step condensation and the dynamical reduction of the effective dimension can appear in three separate steps. When the multistep behavior occurs, the occupation number of atoms excited in each dimension is shown to behave similarly as a function of the temperature.

Full work available at URL: https://arxiv.org/abs/quant-ph/9906071

zbMATH Keywords

ideal Bose gasanisotropic harmonic atom trapsmultistep Bose-Einstein condensation

Mathematics Subject Classification ID

Classical equilibrium statistical mechanics (general) (82B05)

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