Efficient electronic entanglement concentration assisted by single mobile electrons

doi:10.1088/1674-1056/22/11/110303

中国物理B ›› 2013, Vol. 22 ›› Issue (11): 110303-110303.doi: 10.1088/1674-1056/22/11/110303

Efficient electronic entanglement concentration assisted by single mobile electrons

盛宇波^{a b}, 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

收稿日期:2013-03-18 修回日期:2013-04-01 出版日期:2013-09-28 发布日期:2013-09-28
基金资助:
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.

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

Received:2013-03-18 Revised:2013-04-01 Online:2013-09-28 Published:2013-09-28
Contact: Sheng Yu-Bo E-mail:shengyb@njupt.edu.cn
Supported by:
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.

摘要/Abstract

摘要： 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.

关键词: quantum communication, entanglement, entanglement concentration

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.

Key words: quantum communication, entanglement, entanglement concentration

中图分类号: (Quantum cryptography and communication security)

03.67.Dd

03.67.Hk (Quantum communication) 03.65.Ud (Entanglement and quantum nonlocality)

盛宇波, 周澜. Efficient electronic entanglement concentration assisted by single mobile electrons[J]. 中国物理B, 2013, 22(11): 110303-110303.

Sheng Yu-Bo (盛宇波), Zhou Lan (周澜). Efficient electronic entanglement concentration assisted by single mobile electrons[J]. Chin. Phys. B, 2013, 22(11): 110303-110303.

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Efficient electronic entanglement concentration assisted by single mobile electrons

Efficient electronic entanglement concentration assisted by single mobile electrons

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