Title: BEC for a coupled two-type hard core bosons model
Authors: Lauwers, Joris
Verbeure, André #
Issue Date: Apr-2001
Publisher: Elsevier science bv
Series Title: Physica A vol:293 issue:1-2 pages:233-246
Abstract: We study a solvable model of two types hard core Bose particles. A complete analysis is given of its equilibrium states including the proof of existence of Bose-Einstein condensation. The plasmon frequencies and the quantum normal modes corresponding to these frequencies are rigorously constructed. In particular, we show a two-fold degeneracy of these frequencies. We show that all this results from spontaneous gauge symmetry breakdown. (C) 2001 Elsevier Science B.V. All rights reserved.
ISSN: 0378-4371
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
# (joint) last author

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