Ferromagnetic order for the 2D extended Hubbard model

被引：2
|
作者：
Avella, A [1 ]
Mancini, F [1 ]
Münzner, R [1 ]
机构：
[1] Univ Salerno, Unita INFM Salerno, Dipartimento Sci Fis ER Caianiello, I-84081 Baronissi, SA, Italy
来源：
PHYSICA B | 2000年 / 281卷
关键词：
Hubbard model; composite operator method; ferromagnetic order;
D O I：
10.1016/S0921-4526(99)01162-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The 2D extended Hubbard model is studied by means of the composite operator method, in presence of ferromagnetic order. A fully self-consistent procedure, based on the use of the Pauli principle symmetry constraint, permits the evaluation of the magnetic phase diagram of the model. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：857 / 858
页数：2
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