New iterative perturbation scheme for lattice models with arbitrary filling

被引:232
作者
Kajueter, H
Kotliar, G
机构
[1] Department of Physics, Rutgers University, Piscataway, NJ
关键词
D O I
10.1103/PhysRevLett.77.131
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We derive a new perturbation scheme for treating the large d limit of lattice models at arbitrary filling. The results are compared with exact diagonalization data for the Hubbard model and found to be in good agreement.
引用
收藏
页码:131 / 134
页数:4
相关论文
共 28 条