Superfluidity in a gas of strongly interacting bosons

被引：7
|
作者：
Kavoulakis, G. M. [1 ]
Ogren, Y. Yu M. [1 ]
Reimann, S. M. [1 ]
机构：
[1] Lund Univ, S-22100 Lund, Sweden
来源：
EUROPHYSICS LETTERS | 2006年 / 76卷 / 02期
关键词：
D O I：
10.1209/epl/i2006-10264-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider small systems of bosonic atoms rotating in a toroidal trap. Using the method of exact numerical diagonalization of the many-body Hamiltonian, we examine the transition from the Bose-Einstein condensed state to the Tonks-Girardeau state. The system supports persistent currents in a wide range between the two limits, even in the absence of Bose-Einstein condensation.
引用
收藏
页码：215 / 221
页数：7
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