Three-particle entanglement swapping in an imperfect channel

被引：0
|
作者：
Jin Woo Jun
机构：
[1] Inje University,Institute of Basic Science and Department of Computer Aided Science
来源：
Journal of the Korean Physical Society | 2012年 / 61卷
关键词：
Three-particle entanglement swapping; Noise; Fidelity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Extending our previous work [J. Korean Phys. Soc. 58, 1708 (2011)], we analyze the noise effects of an imperfect channel on three-particle entanglement swapping by calculating the fidelity F of a three-qubit state after a GHZ measurement. In contrast to other kinds of noise, the bit flip noise and the phase flip noise do not cause the fidelity to decay exponentially to 0.25 but to 0.5, which shows the presence of genuine entanglement.
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页码：499 / 501
页数：2
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