Generalized Scheme for Splitting Arbitrary 2-Qubit State with Three 2-Qubit Entangled States

被引：17

作者：

Zhang, Wen ^{[1
]}

Liu, Yi-Min ^{[2
]}

Zuo, Xue-Qin ^{[1
]}

Zhang, Zhan-Jun ^{[1
]}

机构：

[1] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China

[2] Shaoguan Univ, Dept Phys, Shaoguan 512005, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2009年 / 48卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Generalized scheme; Quantum state splitting; Arbitrary 2-qubit state; 2-qubit entangled state; SECRET SHARING PROTOCOL; QUANTUM SECRET; SCHMIDT DECOMPOSITION; TRAPPED IONS; MULTIPARTY; TELEPORTATION; CHANNELS; SYSTEMS;

D O I：

10.1007/s10773-009-0073-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A generalized tripartite scheme is proposed for splitting an arbitrary 2-qubit pure state by utilizing three 2-qubit entangled states as quantum channels. In the scheme the splitter averagely partitions its unknown 2-qubit state between two agents and either agent can recover the unknown state in a probabilistic manner with the other agent's assistance. 32 unitary operations used possibly and the total success probability of the scheme are worked out. Moreover, some discussions are made, especially on the relation between the success probability and the entanglements in the quantum channels.

引用

页码：2834 / 2842

页数：9

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