Efficient electronic entanglement concentration assisted by single mobile electrons

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

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.

Keywords: quantum communication entanglement entanglement concentration

Received: 18 March 2013
Revised: 01 April 2013
Accepted manuscript online:

PACS:	03.67.Dd	(Quantum cryptography and communication security)
	03.67.Hk	(Quantum communication)
	03.65.Ud	(Entanglement and quantum nonlocality)

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

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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