Optimal anti-cloning for real state

被引：0
|
作者：
Zhang, Li-Hua [1 ,2 ]
Shi, Bing [1 ,2 ]
Cao, Zhuo-Liang [2 ]
机构：
[1] Anquing Teachers Coll, Dept Phys, Anqing 246011, Peoples R China
[2] Anhui Univ, Sch Phys & Mat Sci, Anhui Key Lab Informat Mat & Dev, Hefei 230039, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2008年 / 22卷 / 08期
基金：
中国国家自然科学基金;
关键词：
quantum state; quantum anti-cloning;
D O I：
10.1142/S0217984908015061
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present two optimal quantum anti-cloning machines for real state in two dimensions, i.e., input state lying in the x-z equator. The first anti-cloning machine produces two outputs which are orthogonal to the input, and the second one produces two anti-parallel outputs for a single input state. The optimal fidelities are also derived.
引用
收藏
页码：555 / 559
页数：5
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