Efficient treatment of two-particle vertices in dynamical mean-field theory

被引：85

作者：

Kunes, Jan ^{[1
]}

机构：

[1] Acad Sci Czech Republic, Inst Phys, CZ-16253 Prague 6, Czech Republic

来源：

PHYSICAL REVIEW B | 2011年 / 83卷 / 08期

关键词：

ELECTRONIC-STRUCTURE CALCULATIONS; INFINITE DIMENSIONS; HUBBARD-MODEL; MONTE-CARLO; SYSTEMS;

D O I：

10.1103/PhysRevB.83.085102

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present an efficient and numerically stable algorithm for calculation of two-particle response functions within the dynamical mean-field theory. The technique is based on inferring the high-frequency asymptotic behavior of the irreducible vertex function from the local dynamical susceptibility. The algorithm is tested on several examples. In all cases rapid convergence of the vertex function toward its asymptotic form is observed.

引用

页数：8

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