Qubit system in capacitively coupled semiconductor quantum dots

被引：1
|
作者：
Tanamoto, T [1 ]
机构：
[1] Toshiba Co Ltd, Corp R&D Ctr, Saiwai Ku, Kawasaki, Kanagawa 2128582, Japan
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2002年 / 31卷 / 2-4期
关键词：
quantum computer; coherence; quantum dot; MOSFET; NMR; measurement;
D O I：
10.1006/spmi.2002.1036
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We theoretically discuss a quantum-dot quantum computer based on charged states. The tunneling Hamiltonian of a weakly coupled quantum-dot array in the Coulomb blockade region is shown to be reduced that of nuclear magnetic resonance spectroscopy. We numerically discuss the region in which this scheme is realized. We also discuss a measurement procedure using a field-effect transistor structure. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码：151 / 157
页数：7
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