维格纳晶体的非限制Hartree-Fock理论
Unrestricted Hartree-Fock theory of Wigner crystals
摘要：
我们证明了应用于均匀势中电子的非限制Hartree-Fock理论在二维和三维中分别给出了$r_s \geq 1.44$和$r_s \geq 4.5$稳定的Wigner晶体解.在相同密度下，维格纳晶相的相关能比流体相的相关能小得多。
英文摘要：
We demonstrate that unrestricted Hartree-Fock theory applied to electrons in a uniform potential has stable Wigner crystal solutions for $r_s \geq 1.44$ in two dimensions and $r_s \geq 4.5$ in three dimensions. The correlation energies of the Wigner crystal phases are considerably smaller than those of the fluid phases at the same density.
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