WIGNER MOLECULES IN NANOSTRUCTURES

被引：87

作者：

JAUREGUI, K ^{[1
]}

HAUSLER, W ^{[1
]}

KRAMER, B ^{[1
]}

机构：

[1] INST THEORET PHYS 1,D-20355 HAMBURG,GERMANY

来源：

EUROPHYSICS LETTERS | 1993年 / 24卷 / 07期

关键词：

D O I：

10.1209/0295-5075/24/7/013

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The charge density and the pair correlation function of interacting electrons with spin, confined within a quasi-one-dimensional <<quantum dot>>, are calculated by numerical diagonalization. The transition from a dense homogeneous charge distribution to a dilute Wigner-type electron arrangement is investigated. The influence of the long-range part of the Coulomb interaction is explicitly studied. When the interaction is exponentially screened the <<crystallized>> Wigner molecule is destroyed in favour of an inhomogeneous charge distribution similar to a charge density wave.

引用

页码：581 / 587

页数：7

共 27 条

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