Optical evidence for Aharonov-Bohm effect in quantum tubes

被引：5
作者：
Nomura, S. [1 ,2 ]
Tsumura, K. [1 ]
Mohan, P. [3 ]
Motohisa, J. [3 ]
Fukui, T. [3 ]
机构：
[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan
[2] CREST JST, Tokyo 1020075, Japan
[3] Hokkaido Univ, Res Ctr Integrated Quantum Elect, Sapporo, Hokkaido 0608628, Japan
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2008年 / 40卷 / 05期
基金：
日本学术振兴会;
关键词：
nanotube; Aharonov-Bohm effect; magnetophotoluminescence;
D O I：
10.1016/j.physe.2007.08.007
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We present an optical evidence for Aharonov-Bohm (AB) effect in InAs quantum tubes fabricated by a selective area-metal organic vapor phase epitaxy. The oscillations of the photoluminescence peak energies are observed in quantum tubes depending on the magnetic flux through the tube. These oscillations in energies are shown to be due to the AB effect of a charged exciton in a quantum tube by a theory based on the effective-mass approximation. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1081 / 1082
页数：2
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