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Generalized remote preparation of the d-level N-particle GHZ state 

Authors: Yan Xia a;  Jie Song a; He-Shan Song a
Affiliation:   a School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian, China
DOI: 10.1080/09500340701787851
Publication Frequency: 21 issues per year
Published in: journal Journal of Modern Optics, Volume 55, Issue 11 June 2008 , pages 1723 - 1729
Formats available: HTML (English) : PDF (English)
Previously published as: Optica Acta: International Journal of Optics (0030-3909) until 1987
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Abstract

With one pair of entangled particles as the quantum channel, we present an explicit generalized protocol for preparing remotely a two-level N-particle Greenberger-Horne-Zeilinger (GHZ) state and generalize it to the d-level case. We show that by properly choosing the measurement basis it is possible to achieve unity fidelity remote preparation of the state. This protocol has the advantage of transmitting much fewer particles for remote preparation of the d-level N-particle GHZ state.
Keywords: remote state preparation; GHZ state; CNOT operation
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