- 00-124 J. Lauwers, A. Verbeure
- BEC for a Coupled Two-type Hard Core Bosons Model
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Mar 23, 00
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Abstract. We study a solvable model of two 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.
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