On nonhomogeneous Bose condensation
Authors:
- 27 July 2005
- journal article
- conference paper
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 46 (8) , 083301
Abstract
We prove, in great generality, that in a system of bosons, whenever Bose condensation in a nonzero mode occurs then there is also spontaneous breaking of translation symmetry. In particular the proof holds for realistic Bose systems with two-body superstable interaction. This generalizes an old result proving that the occurrence of Bose-Einstein condensation in the zero mode implies spontaneous breaking of gauge invariance.Keywords
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