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International Journal of Theoretical Physics

, Volume 51, Issue 5, pp 1647–1654 | Cite as

Joint Remote Preparation of a General Three-Qubit State via Non-maximally GHZ States

  • Kai-Yu Yang
  • Yan Xia
Article

Abstract

In this paper, we use three non-maximally GHZ states as the quantum channel and then propose two schemes to realize joint remotely preparing the general three-qubit state. For the first scheme, we show that the joint remotely state preparation (JRSP) can be successfully realized with a certain probability by performing information splitting, introducing an ancilla and proper measurement. Moreover, for the second scheme, we establish a new method to split information which needn’t to introduce the ancilla on the receiver’s side and can achieve better security.

Keywords

Joint remote state preparation Non-maximally GHZ state General three-qubit state 

Notes

Acknowledgements

The authors are grateful to anonymous referees for his/her valuable comments. This work was supported by the Natural Science Foundation of Fuzhou University of China under grant nos. 022264 and 2010-XQ-28, the fund from State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, the funds from Education Department of Fujian Province of China under grant nos. JB08010, JA10009 and JA10039, the National Natural Science Foundation of Fujian Province of China under grant no. 2010J01006, the National Natural Science Foundation of China under grant nos. 11047122, 11105030 and 10974028, Doctoral Foundation of the Ministry of Education of China under grant no. 20070386002, and China Postdoctoral Science Foundation under grant no. 20100471450.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of PhysicsFuzhou UniversityFuzhouChina

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