| 无穷排斥作用一维费密气体的热力学 |
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| 引用本文： | 胡占宁,周玉魁.无穷排斥作用一维费密气体的热力学[J].物理学报,1990,39(11):1697-1704. |
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| 作者姓名： | 胡占宁 周玉魁 |
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| 作者单位： | 西北大学现代物理研究所,西安,710069 |
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| 摘 要： | 采用巨正则系综理论,对以推斥两体δ函数势作用着的一维非理想费密气体,在极端强耦合情况下的热力学性质进行了讨论,并得出这种模型存在“剩余”熵;最后把结果推广到任意自旋情形。
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| 关 键 词： | 排斥作用 费密气体 热力学 |
| 收稿时间： | 1989-12-21 |
THERMODYNAMICS OF ONE-DIMENSIONAL FERMI GAS IN THE INFINITE REPULSIVE COUPLING LIMIT |
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| HU ZHAN-NING and ZHOU YU-KUI.THERMODYNAMICS OF ONE-DIMENSIONAL FERMI GAS IN THE INFINITE REPULSIVE COUPLING LIMIT[J].Acta Physica Sinica,1990,39(11):1697-1704. |
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| Authors: | HU ZHAN-NING and ZHOU YU-KUI |
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| Abstract: | The thermodynamic properties for a gas of one-dimensional fermi particles interacting via a repulsive delta-function potential have been studied under the limit of infinite repulsive coupling using the theory of grand canonical ensemble. All the thermodynamic functions have been found explicitly and the velocity of sound is derived as a function of the fugacity. In particular, the entropy is not zero at the absolute zero temperature for this model. Finally, some results are given for the arbitrary spin gas. |
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