Joint remote preparation of an arbitrary five-qubit Brown state via non-maximally entangled channels

doi:10.1088/1674-1056/23/9/090307

Abstract We firstly present a novel scheme for deterministic joint remote state preparation of an arbitrary five-qubit Brown state using four Greenberg-Horme-Zeilinger (GHZ) entangled states as the quantum channel. The success probability of this scheme is up to 1, which is superior to the existing ones. Moreover, the scheme is extended to the generalized case where three-qubit and four-qubit non-maximally entangled states are taken as the quantum channel. We simultaneously employ two common methods to reconstruct the desired state. By comparing these two methods, we draw a conclusion that the first is superior to the second-optimal positive operator-valued measure only taking into account the number of auxiliary particles and the success probability.

Keywords: joint remote state preparation Brown state optimal positive operator-valued measure

Received: 21 November 2013
Revised: 10 March 2014
Accepted manuscript online:

PACS:	03.67.-a	(Quantum information)
	03.65.Ud	(Entanglement and quantum nonlocality)
	03.67.Mn	(Entanglement measures, witnesses, and other characterizations)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61370194 and 61202082), the Fundamental Research Funds for the Central Universities of China (Grant Nos. BUPT2012RC0219), and the Foundation of Science and Technology of Huawei of China.

Corresponding Authors: Chang Li-Wei
E-mail: changliwei002@163.com

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Chang Li-Wei (常利伟), Zheng Shi-Hui (郑世慧), Gu Li-Ze (谷利泽), Xiao Da (肖达), Yang Yi-Xian (杨义先) Joint remote preparation of an arbitrary five-qubit Brown state via non-maximally entangled channels 2014 Chin. Phys. B 23 090307

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Joint remote preparation of an arbitrary five-qubit Brown state via non-maximally entangled channels

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