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摘要
Bose-Einstein condensation (BEC) of a finite number of noninteracting bosons confined in a finite-size container is investigated by using numerical calculation. It is revealed that the characteristics of finite-size BEC are significantly different from those for the system satisfying the condition of thermodynamic limit, and some well-known conclusions about BEC described in textbooks are not valid for a finite-size Bose system. This paper may be helpful for the further understanding of the concept of BEC and thermostatistics in small systems. It is suitable for readers including undergraduate and graduate students, general physicists and so on.
- 出版日期2010-1
- 单位厦门大学
