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Efficient electronic entanglement concentration assisted by single mobile electrons |
| Sheng Yu-Bo (盛宇波)a b, Zhou Lan (周澜)c |
a Institute of Signal Processing Transmission, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
b Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, Nanjing 210003, China;
c College of Mathematics & Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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Abstract We present an efficient entanglement concentration protocol (ECP) for mobile electrons with charge detection. This protocol is quite different from other ECPs for one can obtain a maximally entangled pair from a pair of less-entangled state and a single mobile electron with a certain probability. With the help of charge detection, it can be repeated to reach a higher success probability. It also does not need to know the coefficient of the original less-entangled states. All these advantages may make this protocol useful in current distributed quantum information processing.
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Received: 18 March 2013
Revised: 01 April 2013
Accepted manuscript online:
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PACS:
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03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Hk
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(Quantum communication)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11104159), the Natural Science Research Project of Universities of Jiangsu Province, China (Grant No. 13KJB140010), and the Priority Academic Development Program of Jiangsu Higher Education Institutions, China. |
Corresponding Authors:
Sheng Yu-Bo
E-mail: shengyb@njupt.edu.cn
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Cite this article:
Sheng Yu-Bo (盛宇波), Zhou Lan (周澜) Efficient electronic entanglement concentration assisted by single mobile electrons 2013 Chin. Phys. B 22 110303
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