Deterministic assisted cloning of an unknown single-particle four-dimensional quantum state

被引：3

作者：

Ma, Peng-Cheng ^{[1
]}

Chen, Gui-Bin ^{[1
]}

Li, Xiao-Wei ^{[1
,2
]}

Zhan, You-Bang ^{[1
]}

机构：

[1] Huaiyin Normal Univ, Dept Phys, Jiangsu Key Lab Modern Measurement Technol & Inte, Huaian 223300, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China

来源：

PRAMANA-JOURNAL OF PHYSICS | 2018年 / 91卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Quantum assisted cloning; single-particle four-dimensional quantum state; projective measurement; EQUATORIAL ENTANGLED STATE; SCHEME; THEOREM;

D O I：

10.1007/s12043-018-1576-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we present a scheme which can produce a perfect copy of an unknown single-particle four-dimensional quantum state with assistance from a state preparer. Two stages were included in this scheme. The first stage requires the usual teleportation, after Alice's (the state sender) generalised Bell state measurement. Bob (the state receiver) can get the original state with unit probability. In the second stage, after having received Victor's (the state preparer) classical message, and using the rest resource of the teleportation process, the perfect copy of an original unknown state can be produced in Alice's place. To realise the scheme, several novel sets of measuring basis were introduced. It must be pointed out that, in the present scheme, the total success probability for assisted cloning of a perfect copy of the unknown state can reach 1.

引用

页数：6

共 28 条

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