AHARONOV-BOHM OSCILLATIONS IN PARALLEL COUPLED VERTICAL DOUBLE QUANTUM DOT

被引：0
|
作者：
Hatano, T. [1 ]
Kubo, T. [1 ]
Amaha, S. [1 ]
Teraoka, S. [1 ]
Tokura, Y. [1 ]
Tarucha, S. [1 ]
机构：
[1] JST, ICORP, Quantum Spin Informat Project, Atsugi, Kanagawa 2430198, Japan
来源：
PROCEEDINGS OF THE 9TH INTERNATIONAL SYMPOSIUM ON FOUNDATIONS OF QUANTUM MECHANICS IN THE LIGHT OF NEW TECHNOLOGY | 2009年
关键词：
parallel coupled vertical double quantum dot; bonding and antibonding states; Aharonov-Bohm oscillations; TRANSPORT;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
We used a parallel coupled vertical double quantum dot device consisting of two laterally tunnel-coupled dots and a common source and drain electrodes to study the Aharanov-Bohm (AB) effects in the vertically flowing single electron tunneling current. In the charging diagram measured at a finite source-drain voltage a bonding state as a ground state, and an antibonding state as an excited state were distinguished for the one-electron state. We observed periodic magnetic oscillations for the current through the bonding state, due to the AB effect for the two tunnel-coupled dots.
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页码：190 / 193
页数：4
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