The N-chain Hubbard model in the composite operator method

被引：1
|
作者：
Avella, A
Mancini, F [1 ]
Sánchez, MM
Sridhar, R
机构：
[1] Univ Salerno, Dipartimento Sci Fisiche ER Caianiello, Unita INFM, I-84081 Baronissi, Italy
[2] Inst Math Sci, Madras 600113, Tamil Nadu, India
来源：
PHYSICA B-CONDENSED MATTER | 1999年 / 259-61卷
关键词：
ladder systems; N-chain Hubbard model; composite operator method;
D O I：
10.1016/S0921-4526(98)00870-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We propose a theoretical framework to describe the ladder systems. The N-chain Hubbard model has been studied within the composite operator method. In this scheme of calculations the single-particle Green's function for any number of coupled chains is obtained by solving self-consistently a system of integral equations. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：1056 / 1057
页数：2
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