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cond-mat.stat-mech2000
Instability in a Two-Dimensional Dilute Interacting Bose System
W. J. Mullin, M. Holzmann, F. Laloe
The formalism of Ursell operators provides a self-consistent integral equation for the one-particle reduced operator. In three dimensions this technique yields values of the shift…
cond-mat.stat-mech2000
Validity of the Hohenberg Theorem for a Generalized Bose-Einstein Condensation in Two Dimensions
W. J. Mullin, M. Holzmann, F. Laloe
Several authors have considered the possibility of a generalized Bose-Einstein condensation (BEC) in which a band of low states is occupied so that the total occupation number is m…