CURRENT-DENSITY-FUNCTIONAL THEORY OF THE 2-DIMENSIONAL WIGNER CRYSTAL IN A STRONG MAGNETIC-FIELD

被引：13
作者：
VIGNALE, G
机构：
[1] Department of Physics and Astronomy, Missouri University, Columbia
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.47.10105
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The ground-state energy of a two-dimensional Wigner crystal of electrons in the lowest Landau level is calculated from current-density functional theory in the projected local-density approximation. From the behavior of the energy as a function of filling factor, an estimate nu approximately 0. 25 is given for the upper filling factor at which the solid-liquid transition occurs. This value is in fairly good agreement with recent experiments.
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页码：10105 / 10111
页数：7
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