Quantum computation with two-dimensional graphene quantum dots

被引：7
|
作者：
Li Jie-Sen [1 ]
Li Zhi-Bing [1 ]
Yao Dao-Xin [1 ]
机构：
[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
CHINESE PHYSICS B | 2012年 / 21卷 / 01期
基金：
中国国家自然科学基金;
关键词：
graphene; quantum dot; quantum computation; Kagome lattice; BIOSENSORS; SIZE;
D O I：
10.1088/1674-1056/21/1/017302
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study an array of graphene nano sheets that form a two-dimensional S = 1/2 Kagome spin lattice used for quantum computation. The edge states of the graphene nano sheets are used to form quantum dots to confine electrons and perform the computation. We propose two schemes of bang-bang control to combat decoherence and realize gate operations on this array of quantum dots. It is shown that both schemes contain a great amount of information for quantum computation. The corresponding gate operations are also proposed.
引用
收藏
页数：7
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