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Volumn 22, Issue 1, 2001, Pages 79-87

Two-dimensional dilute Bose gas in the normal phase

Author keywords

03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena; 05.30.Jp Boson systems; 05.70.Fh Phase transitions: General studies

Indexed keywords


EID: 0043192452     PISSN: 14346028     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (6)

References (48)
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    • note
    • 4). By expressing the self-energy diagrams of Figure 1a in terms of unsymmetrized interaction vertices and taking into account the symmetry factor of these diagrams, equations (2) and (3) follow.
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    • note
    • Throughout this paper, we adopted the same notation of reference [8], with the symbol ≈ meaning "asymptotically equal".
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    • note
    • -2πn/mT) (cf. Ref. [17]).
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    • In a recent paper (W.J. Mullin, M. Holzmann, F. Laloë, J. Low Temp. Phys. 121, 269 (2000)), the method of Ursell operators has been applied to the 2D dilute Bose gas in the normal phase. Interestingly, an instability in the solution of the integral equation for the one-particle reduced density has been found, which has been also intepreted as due to the proximity to a phase transition.
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