Exclusion statistics in a trapped two-dimensional Bose gas

被引：27

作者：

Hansson, TH

Leinaas, JM

Viefers, S

机构：

[1] Univ Stockholm, Dept Phys, SE-11385 Stockholm, Sweden

[2] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[3] Chalmers Univ Technol, Dept Appl Phys, SE-41296 Gothenburg, Sweden

[4] Gothenburg Univ, SE-41296 Gothenburg, Sweden

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.86.2930

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the statistical mechanics of a two-dimensional Bose gas with a repulsive delta-function interaction, using a mean-field approximation. By a direct counting of states we establish that this model obeys exclusion statistics and is equivalent to an ideal exclusion-statistics gas. We also show that this result is consistent with a full quantum-mechanical treatment of a quasi-two-dimensional system.

引用

页码：2930 / 2933

页数：4

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