Green's function formalism for highly correlated systems

被引：0
|
作者：
Mancini, F. [1 ]
Avella, A. [1 ]
机构：
[1] Univ Salerno, Dipartimento Fis ER Caianiello, Unita CNISM Salerno, I-84081 Baronissi, SA, Italy
来源：
CONDENSED MATTER PHYSICS | 2006年 / 9卷 / 03期
关键词：
strongly correlated systems; Green's function formalism; equations of motion approach; composite operator method;
D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present the Composite Operator Method (COM) as a modern approach to the study of strongly correlated electronic systems, based on the equation of motion and Green's function method. COM uses propagators of composite operators as building blocks at the basis of approximate calculations and algebra constrains to fix the representation of Green's functions in order to maintain the algebraic and symmetry properties.
引用
收藏
页码：569 / 586
页数：18
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