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首页> 外文期刊>American journal of physics >FERMION-BOSON TRANSMUTATION AND COMPARISON OF STATISTICAL ENSEMBLES IN ONE DIMENSION
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FERMION-BOSON TRANSMUTATION AND COMPARISON OF STATISTICAL ENSEMBLES IN ONE DIMENSION

机译:一维费米子玻色子变换和统计量的比较

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摘要

The theoretical description of interacting fermions in one spatial dimension is simplified by tile fact that the low-energy excitations can be described in terms of bosonic degrees of freedom, This fermion-boson transmutation (FBT) which lies at the heart of the Luttinger liquid concept is presented in a way which does not require a knowledge of quantum field theoretical methods. As the basis facts can already be introduced for noninteracting fermions they are mainly discussed, As an application we use the FBT to present exact results for the low-temperature thermodynamics and the occupation numbers in the microcanonical and the canonical ensemble, They are compared with the standard grand canonical results. (C) 1996 American Association of Physics Teachers. [References: 24]
机译:可以通过玻色子自由度描述低能激发的事实简化了在一个空间维度上相互作用的费米子的理论描述。这种费米子-玻色子trans变(FBT)是Luttinger液体概念的核心以不需要量子场理论方法知识的方式来表示。由于已经介绍了非相互作用费米子的基本事实,因此对它们进行了重点讨论。在应用中,我们使用FBT给出了低温热力学的精确结果以及微规范和规范集合中的占有数,并将它们与标准的大规范结果。 (C)1996年美国物理教师协会。 [参考:24]

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