Quasiparticle weight of the two-dimensional Hubbard model in the t-matrix approximation

被引：1
|
作者：
Narikiyo, O
机构：
[1] Department of Material Physics, Faculty of Engineering Science, Osaka University
来源：
PROGRESS OF THEORETICAL PHYSICS | 1997年 / 97卷 / 06期
关键词：
D O I：
10.1143/PTP.97.1019
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The quasiparticle weight of the two-dimensional Hubbard model in the t-matrix approximation is discussed in comparison with a recent report by Yokoyama and Fukuyama (J. Phys. Soc. Jpn. 66 (1997), 529) where the breakdown of the quasiparticle description of the Fermi liquid was concluded.
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页码：1019 / 1021
页数：3
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