RETRACTED: Quantum Cloning of an Unknown 2-Atom State via Entangled Cluster States (Retracted article. See vol. 62, 2023)

被引：1

作者：

Yu, L. -z. ^{[1
,2
,3
,4
]}

Zhong, F. ^{[5
]}

机构：

[1] Fuyang Normal Univ, Dept Phys, Fuyang 236000, Peoples R China

[2] Univ Sci & Technol China, Microscale, Hefei 230026, Peoples R China

[3] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China

[4] Fuyang Vocat Coll Sci & Technol, Fuyang 236037, Anhui, Peoples R China

[5] Hunan Inst Technol, Sch Elect & Informat Engn, Hengyang 421002, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2016年 / 55卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Quantum cloning; QED cavity; Probabilistic quantum teleportation; Cluster state; COMMUNICATION; TELEPORTATION;

D O I：

10.1007/s10773-015-2912-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This paper presented a scheme for cloning a 2-atom state in the QED cavity with the help of Victor who is the state's preparer. The cloning scheme has two steps. In the first step, the scheme requires probabilistic teleportation of a 2-atom state that is unknown in advance, and uses a 4-atom cluster state as quantum channel. In the second step, perfect copies of the 2-atom entangled state may be realized with the assistance of Victor. The finding is that our scheme has two outstanding advantages: it is not sensitive to the cavity decay, and Bell state is easy to identify.

引用

页码：2800 / 2804

页数：5

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