Efficient description of strongly correlated electrons with mean-field cost

被引：114

作者：

Boguslawski, Katharina ^{[1
]}

Tecmer, Pawel ^{[1
]}

Ayers, Paul W. ^{[1
]}

Bultinck, Patrick ^{[2
]}

De Baerdemacker, Stijn ^{[3
]}

Van Neck, Dimitri ^{[3
]}

机构：

[1] McMaster Univ, Dept Chem & Chem Biol, Hamilton, ON L8S 4M1, Canada

[2] Univ Ghent, Dept Inorgan & Phys Chem, B-9000 Ghent, Belgium

[3] Univ Ghent, Ctr Mol Modelling, B-9052 Ghent, Belgium

来源：

PHYSICAL REVIEW B | 2014年 / 89卷 / 20期

基金：

瑞士国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

MATRIX RENORMALIZATION-GROUP; WAVE-FUNCTIONS; NONORTHOGONAL GEMINALS; ANTISYMMETRIC PRODUCTS; QUANTUM-CHEMISTRY; ENTANGLEMENT; CLUSTER; ORBITALS;

D O I：

10.1103/PhysRevB.89.201106

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present an efficient approach to the electron correlation problem that is well suited for strongly interacting many-body systems, but requires only mean-field-like computational cost. The performance of our approach is illustrated for one-dimensional Hubbard rings with different numbers of sites, and for the nonrelativistic quantum-chemical Hamiltonian exploring the symmetric dissociation of the H-50 hydrogen chain.

引用

页数：4

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