Modified Khaneja-Glaser decomposition and realization of three-qubit quantum gate

被引：1
|
作者：
Wei Hai-Rui [1 ]
Di Yao-Min [1 ]
Zhang Jie [1 ]
机构：
[1] Xuzhou Normal Univ, Sch Phys & Elect Engn, Xuzhou 221116, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Logic gates;
D O I：
10.1088/0256-307X/25/9/004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optimal implementation of quantum gates is crucial for realization of quantum computation. We slightly modify the Khaneja-Glaser decomposition (KGD) for n-qubits and give a new Cartan subalgbra in the second step of the decomposition. Based on this modified KGD, we investigate the realization of three-qubit logic gate and obtain the result that a general three-qubit quantum logic gate can be implemented using at most 73 one-qubit gates rotations with respect to the y and z axes and 26 CNOT gates.
引用
收藏
页码：3107 / 3110
页数：4
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