| 一维谐振腔中的理想玻色气体的热力学性质 |
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| 引用本文： | 牛牧原,杜韦陶,刘天贵,王鑫,刘全慧.一维谐振腔中的理想玻色气体的热力学性质[J].大学物理,2010,29(11). |
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| 作者姓名： | 牛牧原 杜韦陶 刘天贵 王鑫 刘全慧 |
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| 作者单位： | 湖南大学理论物理研究所应用物理系; |
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| 基金项目： | 国家自然科学基金支持项目，"国家级大学生创新训练计划"资助项目 |
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| 摘 要： | 一维谐振腔中的理想玻色气体没有相变,但是在低温下存在玻色-爱因斯坦凝聚体.在高温情况下,该体系的内能等于力一位移的乘积;关于微观状态数计算,传统的方法有所不足,本文给出了正确方法.
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| 关 键 词： | 玻色统计 一维体系 谐振腔 |
Statistical thermodynamics for Boson gas in one-dimensional harmonic trap |
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| NIU Mu-yuan,DU Wei-tao,LIU Tian-gui,WANG Xin,LIU Quan-hui.Statistical thermodynamics for Boson gas in one-dimensional harmonic trap[J].College Physics,2010,29(11). |
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| Authors: | NIU Mu-yuan DU Wei-tao LIU Tian-gui WANG Xin LIU Quan-hui |
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| Institution: | NIU Mu-yuan,DU Wei-tao,LIU Tian-gui,WANG Xin,LIU Quan-hui(Institute of Theoretical Physics and Department of Applied Physics,Hunan University,Changsha,Hunan 4100082,China) |
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| Abstract: | A Boson gas in one-dimensional harmonic trap does not exhibit the phase transition, but at low temperature there is a macroscopic condensate in the ground state. At high temperature the internal energy is equal to the product of force and displacement. The number of microstates can not be computed with conventional method, and the correct way of enumeration is presented. |
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| Keywords: | Bose statistics one-dimensional system harmonic trap |
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