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Received: 2005-01-16

Revision Accepted: 2005-04-21

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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.10 P.1090-1094

http://doi.org/10.1631/jzus.2005.A1090


A new phenomenon of quantum-dot cellular automata


Author(s):  ZENG Ling-gang, WANG Qing-kang, DAI Yong-bing

Affiliation(s):  Research Institute of Micro/Nanometer Science and Technology, Shanghai Jiao Tong University, Shanghai 200030, China; more

Corresponding email(s):   linggang_z@sohu.com

Key Words:  Quantum-dot cellular automata (QCA), Quantum dot, Hubbard-type Hamiltonian


ZENG Ling-gang, WANG Qing-kang, DAI Yong-bing. A new phenomenon of quantum-dot cellular automata[J]. Journal of Zhejiang University Science A, 2005, 6(10): 1090-1094.

@article{title="A new phenomenon of quantum-dot cellular automata",
author="ZENG Ling-gang, WANG Qing-kang, DAI Yong-bing",
journal="Journal of Zhejiang University Science A",
volume="6",
number="10",
pages="1090-1094",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A1090"
}

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%T A new phenomenon of quantum-dot cellular automata
%A ZENG Ling-gang
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%A DAI Yong-bing
%J Journal of Zhejiang University SCIENCE A
%V 6
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%P 1090-1094
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%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A1090

TY - JOUR
T1 - A new phenomenon of quantum-dot cellular automata
A1 - ZENG Ling-gang
A1 - WANG Qing-kang
A1 - DAI Yong-bing
J0 - Journal of Zhejiang University Science A
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SP - 1090
EP - 1094
%@ 1673-565X
Y1 - 2005
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A1090


Abstract: 
If an external point charge and the movable charges of an isolated quantum-dot cellular automata (QCA) cell have the same polarity, the point charge greatly affects the polarization (P) of the cell only when it is in a narrow band with periodically changing width. The center of the band is on a radius R circle. The ratio of R to the electric charge (q) is a constant determined by the parameters of the cell. A QCA cell can be used as charge detector based on the above phenomenon.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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