Discrimination of quantum operation

doi:10.3778/j.issn.1002-8331.2009.08.003

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (8): 9-12.DOI: 10.3778/j.issn.1002-8331.2009.08.003

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Discrimination of quantum operation

ZHANG Cheng^1,2,REN Lin-yuan³,ZHANG Jing¹

1.School of Computer Science & Engineering，Xi’an University of Technology，Xi’an 710048，China
2.Network Center，Yan’an University，Yan’an，Shaanxi 716000，China
3.Department of Mathematics and Physics，Xi’an Technological University，Xi’an 710062，China

Received:2008-11-14 Revised:2008-12-22 Online:2009-03-11 Published:2009-03-11
Contact: ZHANG Cheng

量子操作的分辨

张成^1,2,任林源³,张璟¹

1.西安理工大学计算机科学与工程学院，西安 710048
2.延安大学网络中心，陕西延安 716000
3.西安工业大学数理系，西安 710062

通讯作者: 张成

Abstract

Abstract: Authors consider the perfect discrimination problem by applying the method of unambiguous discrimination quantum states to quantum operation，and get a necessary and sufficient condition for quantum operation；second authors extend set discrimination of quantum states to set discrimination of quantum operation，at the same time，obtain two necessary and sufficient conditions for quantum operation；at last，authors consider the lower bounds of the quantum operation.

Key words: quantum operation, perfect discrimination, unambiguous discrimination, lower bound

摘要： 利用量子操作的无错分辨来考虑量子操作的精确分辨，得到了量子操作精确分辨的充要条件；其次，将量子态的集合分辨推广到量子操作的集合分辨，同时得到了两个充要条件；最后考虑了量子操作无错分辨的失败概率的下界。

关键词: 量子操作, 精确分辨, 无错分辨, 下界

ZHANG Cheng^1,2,REN Lin-yuan³,ZHANG Jing¹. Discrimination of quantum operation[J]. Computer Engineering and Applications, 2009, 45(8): 9-12.

张成^1,2,任林源³,张璟¹. 量子操作的分辨[J]. 计算机工程与应用, 2009, 45(8): 9-12.

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Discrimination of quantum operation

量子操作的分辨

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