Transition from two-dimensional to three-dimensional classical artificial atoms

被引：15
|
作者：
Cornelissens, YG [1 ]
Partoens, B [1 ]
Peeters, FM [1 ]
机构：
[1] Univ Instelling Antwerp, Dept Nat Kunde, B-2610 Antwerp, Belgium
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2000年 / 8卷 / 04期
关键词：
Wigner crystal; classical clusters; Monte Carlo simulations;
D O I：
10.1016/S1386-9477(00)00163-6
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The transition from two-dimensional (2D) to three-dimensional (3D) classical artificial atoms is studied. As a function of the confinement strength perpendicular to the plane, first- and second-order structural transitions are observed, which change the 2D ring structure into a layered structure and finally into the 3D shell structure in the case of a spherical confinement potential. A clear structural analogy exists between the infinite bilayer Wigner crystal (BLWC) and our finite system when the confinement is such that a bilayer structure exists in the central Dart of the atom. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：314 / 322
页数：9
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