Chinese Journal of Quantum Electronics, Volume. 27, Issue 1, 26(2010)
n-bit quantum gate accomplished by two-bit quantum gates
Quantum circuits are the tools of realizing the unitary evolution of quantum state, and they are mainly made up of one-bit and two-bit quantum gates. Barenco proposed a method for constructing n-bit quantum gate by using basic two-bit quantum gates in 1995. Zhang proposed the improved method for constructing n-bit quantum gate by using basic two-bit quantum gates in 2001. The method for constructing n-bit quantum gate by using basic two-bit quantum gates is proposed by improving the two methods mentioned. The scheme is more simple and easier to implement and the incorrect conclusion by Zhang is amended.
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LV Hong-jun, GUO Jun-wang, PENG Fei, WU Tian-hao, XIE Guang-jun. n-bit quantum gate accomplished by two-bit quantum gates[J]. Chinese Journal of Quantum Electronics, 2010, 27(1): 26
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Received: Jul. 23, 2009
Accepted: --
Published Online: May. 31, 2010
The Author Email: Hong-jun LV (lvhongjun1958@sina.com)
CSTR:32186.14.