Unrestricted Hartree-Fock theory of Wigner crystals

被引：36

作者：

Trail, JR ^{[1
]}

Towler, MD ^{[1
]}

Needs, RJ ^{[1
]}

机构：

[1] Univ Cambridge, Cavendish Lab, TCM Grp, Cambridge CB3 0HE, England

来源：

PHYSICAL REVIEW B | 2003年 / 68卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.68.045107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We demonstrate that unrestricted Hartree-Fock theory applied to electrons in a uniform potential has stable Wigner crystal solutions for r(s) greater than or equal to 1.44 in two dimensions and r(s) greater than or equal to 4.5 in three dimensions. The correlation energies of the Wigner crystal phases are considerably smaller than those of the fluid phases at the same density.

引用

页数：5

共 50 条

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