FERMI GAS-MODEL OF ONE-DIMENSIONAL CONDUCTORS

被引:1542
作者
SOLYOM, J
机构
[1] Central Research Institute for Physics, Budapest, H-1525
关键词
D O I
10.1080/00018737900101375
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The Fermi gas model of one-dimensional conductors is reviewed. The exact solutions known for particular values of the coupling constants in a single chain problem (Tomonaga model, Luther-Emery model) are discussed. Renormalization group arguments are used to extend these solutions to arbitrary values of the couplings. The instabilities and possible ground states are studied by investigating the behaviour of the response functions. The relationship between this model and others is discussed and is used to obtain further information about the behaviour of the system. The model is generalized to a set of coupled chains to describe quasi-one-dimensional systems. The crossover from one-dimensional to three-dimensional behaviour and the type of ordering are discussed. © Taylor & Francis Group, LLC.
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页码:201 / 303
页数:103
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