GREEN-FUNCTIONS FOR STRONGLY CORRELATED ELECTRONIC SYSTEMS

被引：2
|
作者：
NOCE, C [1 ]
机构：
[1] UNIV SALERNO,INFM SALERNO,I-84081 BARONISSI,ITALY
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷 / 40期
关键词：
D O I：
10.1088/0953-8984/3/40/003
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
By means of the path-integral formalism, a general procedure for the evaluation of the exact n-point Green functions at finite temperature is developed for the analysis of strongly correlated electron systems. The densities of states for two different types of electrons are written by using a non-standard perturbation expansion.
引用
收藏
页码：7819 / 7830
页数：12
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