Teleportation affected by fluctuating electromagnetic field with a boundary

被引：3
作者：
Huang, Zhiming [1 ]
Rong, Zhenbang [2 ]
Ye, Yiyong [1 ]
机构：
[1] Wuyi Univ, Sch Econ & Management, Jiangmen 529020, Peoples R China
[2] Wuyi Univ, Fac Intelligent Mfg, Jiangmen 529020, Peoples R China
来源：
MODERN PHYSICS LETTERS A | 2021年 / 36卷 / 38期
基金：
中国国家自然科学基金;
关键词：
Quantum teleportation; entanglement; electromagnetic field; QUANTUM TELEPORTATION; STATE PREPARATION; ENTANGLEMENT;
D O I：
10.1142/S0217732321502734
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the quantum teleportation under fluctuating electromagnetic field in the presence of a perfectly reflecting boundary. The noisy scheme of quantum teleportation affected by electromagnetic fluctuation is proposed. Then we calculate and investigate the behaviors of entanglement and fidelity, which are closely related to the plane boundary and atomic polarization. After a period of evolution, entanglement and fidelity evolve to zero and nonzero stable value respectively. Fidelity is closely related to the weight parameter and phase parameter of the teleported state. Besides, small two-atom separation makes entanglement and fidelity have better enhancement. Furthermore, the presence of boundary, atomic polarization and two-atom separation offers us more freedom to adjust the performance of the quantum teleportation. The results would give us new insight into quantum communication in an open quantum system since quantum teleportation plays an important role in quantum communication and quantum information.
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收藏
页数：11
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