2000/11/28 by T. Michoel, A. Verbeure
Physics and Astronomy · Mathematics · #math-ph #math.MP
published as Journal of Mathematical Physics, Vol. 40 No. 3, 1268 - 1279 (1999)
arxiv created 2000/11/28 · arxiv updated 2009/11/30
The imperfect Boson gas supplemented with a gentle repulsive interaction is completely solved. In particular it is proved that it has non-extensive Bose-Einstein condensation, i.e., there is condensation without macroscopic occupation of the ground state (k=0) level.