Cellular dynamical mean field approach to strongly correlated systems -: art. no. 186401

被引：547

作者：

Kotliar, G

Savrasov, SY

Pálsson, G

Biroli, G

机构：

[1] Rutgers State Univ, Serin Phys Lab, Piscataway, NJ 08855 USA

[2] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.87.186401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a cellular version of dynamical mean field theory which gives a natural generalization of its original single-site construction and is formulated in different sets of variables. We incorporate a possible nonorthogonality of the tight-binding basis set and prove that the resulting equations lead to manifestly causal self-energies.

引用

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页码：186401 / 1

页数：4

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