QUANTUM-DOT EXCITATION SPECTRUM - LAUGHLIN-LIKE STATES

被引：20
|
作者：
JOHNSON, NF
机构：
[1] Departamento de Física, Universidad de Los Andes, Bogòta
来源：
PHYSICAL REVIEW B | 1992年 / 46卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.46.2636
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The excitation spectrum of an interacting electron gas in a quantum dot is discussed in the large-magnetic-field regime using a recently introduced exactly solvable model. The spectrum exhibits complex crossings as a function of the strength of the electron-electron interaction. The corresponding eigenfunctions are generalizations of Laughlin wave functions, but include significant inter-Landau-level mixing. Laughlin quasiparticles represent a poor description of the elementary excitations.
引用
收藏
页码：2636 / 2639
页数：4
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