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Entanglement properties between two atoms in the binomial optical field interacting with two entangled atoms |
| Tang-Kun Liu(刘堂昆)1, Kang-Long Zhang(张康隆)1,2, Yu Tao(陶宇)1, Chuan-Jia Shan(单传家)1, Ji-Bing Liu(刘继兵)1 |
1 College of Physics and Electronic Science, Hubei Normal University, Huangshi 435002, China;
2 Hubei Engineering Profession Institute, Huangshi 435004, China |
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Abstract The temporal evolution of the degree of entanglement between two atoms in a system of the binomial optical field interacting with two arbitrary entangled atoms is investigated. The influence of the strength of the dipole-dipole interaction between two atoms, probabilities of the Bernoulli trial, and particle number of the binomial optical field on the temporal evolution of the atomic entanglement are discussed. The result shows that the two atoms are always in the entanglement state. Moreover, if and only if the two atoms are initially in the maximally entangled state, the entanglement evolution is not affected by the parameters, and the degree of entanglement is always kept as 1.
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Received: 29 January 2016
Accepted manuscript online:
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PACS:
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03.65.-w
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(Quantum mechanics)
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03.67.-a
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(Quantum information)
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| Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB922103) and the National Natural Science Foundation of China (Grant Nos. 11274104 and 11404108). |
Corresponding Authors:
Tang-Kun Liu
E-mail: tkliuhs@163.com
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Cite this article:
Tang-Kun Liu(刘堂昆), Kang-Long Zhang(张康隆), Yu Tao(陶宇), Chuan-Jia Shan(单传家), Ji-Bing Liu(刘继兵) Entanglement properties between two atoms in the binomial optical field interacting with two entangled atoms 2016 Chin. Phys. B 25 070304
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