ENVIRONMENT-ASSISTED ENTANGLEMENT PURIFICATION

被引：0

作者：

Qiu, Liang ^{[1
]}

Liu, Zhi ^{[1
]}

Wang, Xin ^{[1
]}

机构：

[1] China Univ Min & Technol, Coll Sci, Dept Phys, Xuzhou 221116, Peoples R China

来源：

QUANTUM INFORMATION & COMPUTATION | 2016年 / 16卷 / 11-12期

基金：

中国国家自然科学基金;

关键词：

Entanglement swapping; Environment measurement; Amplitude damping noises; NOISY ENTANGLEMENT; QUANTUM; STATES; TELEPORTATION;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Two qubits in a pure entangled state passing through and interacting with amplitude damping noises will cause the decay of entanglement. Entanglement swapping combined with environment measurement is proposed to purify entanglement of the two-qubit state. Some initial states can be purified into the maximally entangled ones by just using the protocol for one time, in contrast to iteratively using the protocol given in Phys. Rev. A 89, 014303 (2014).

引用

页码：982 / 990

页数：9

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