Quantum computing with quantum-dot cellular automata -: art. no. 052315

被引：79
|
作者：
Tóth, G [1 ]
Lent, CS [1 ]
机构：
[1] Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA
来源：
PHYSICAL REVIEW A | 2001年 / 63卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.63.052315
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Quantum-dot cellular automats (QCA), arrays of coupled quantum-dot devices, are proposed for quantum computing. The notion of coherent QCA (CQCA) is introduced in order to distinguish QCA applied to quantum computing from classical digital QCA. Information is encoded in the spatial state of the electrons in the multidot system. A line of CQCA cells can work as a quantum register. The basic single- and multi-qubit operations can be realized by pulses given to the cell electrodes.
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页数：9
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