Fluctuations of the weakly interacting Bose-Einstein condensate

被引：56
|
作者：
Idziaszek, Z
Gajda, M
Navez, P
Wilkens, M
Rzazewski, K
机构：
[1] Polish Acad Sci, Ctr Theoret Phys, PL-02668 Warsaw, Poland
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[3] Coll Sci, PL-02668 Warsaw, Poland
[4] Univ Potsdam, Inst Phys, D-14415 Potsdam, Germany
[5] NCSR Demokritos, Inst Mat Sci, GR-15310 Athens, Greece
来源：
PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 22期
关键词：
D O I：
10.1103/PhysRevLett.82.4376
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider the role of weak interatomic interactions on the fluctuations of the number of condensed atoms within canonical and microcanonical ensembles. Unlike the corresponding case of the ideal gas this is not a clean, well-defined problem of mathematical physics. Two related reasons are the following: there is no unique way of defining the condensate fraction of the interacting system and no exact energy levels of the interacting system are known. [S0031-9007(99)09269-8].
引用
收藏
页码：4376 / 4379
页数：4
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