The excitation spectrum of quantum antidots

被引：7
|
作者：
Michael, C. P.
Kataoka, M.
Ford, C. J. B.
Faini, G.
Mailly, D.
Simmons, M. Y.
Ritchie, D. A.
机构：
[1] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[2] CALTECH, Dept Appl Phys, Pasadena, CA 91125 USA
[3] Lab Photon & Nanostruct, Marcoussis, France
[4] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2006年 / 34卷 / 1-2期
基金：
英国工程与自然科学研究理事会;
关键词：
antidot; edge-states; Coulomb blockade; Kondo effect;
D O I：
10.1016/j.physe.2006.03.027
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Source-drain bias measurements of transport across quantum antidots reveal a ladder of excited states analogous to the excitation spectrum of quantum dots. The antidot excitation spectrum provides an unambiguous method of determining the Coulomb-blockade charging energy and the energy difference between antidot single-particle states. The energy-level spacings and the presence of strong Kondo resonances in this regime cannot be explained within a non-interacting model. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：195 / 198
页数：4
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