The generalized Gutzwiller method for n>=2 correlated orbitals: Itinerant ferromagnetism in d(e(g))-bands

被引：9

作者：

Bunemann, J ^{[1
]}

Weber, W ^{[1
]}

机构：

[1] UNIV DORTMUND,INST PHYS,LEHRSTUHL THEORET PHYS 2,D-44221 DORTMUND,GERMANY

来源：

PHYSICA B | 1997年 / 230卷

关键词：

correlated electron system; Hubbard model; extended Hubbard models; Gutzwiller method; itinerant ferromagnetism;

D O I：

10.1016/S0921-4526(96)00596-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Using the generalized Gutzwiller method we present results on the ferromagnetic behavior of extended Hubbard models with two degenerate d(e(g)) orbitals. We find significant differences from the results obtained from Hartree-Fock theory.

引用

页码：412 / 414

页数：3