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Showing 1 to 1 of 1 for “"Bogoliubov-Theorie"”.
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Quasi-condensation in low-dimensional Bose gases
… strongly. It is shown that modified mean-field theories based on a symmetry-breaking approach can even characterise phase coherence properties of such a quasi-condensate properly. A correct description of the transition from the degenerate ideal Bose gas to the quasi-condensate, which is a …