Optimizing Scheme for Remote Preparation of Four-particle Cluster-like Entangled States |
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Authors: | Dong Wang Liu Ye |
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Institution: | (1) Key Laboratory of Optical and Magnetic Resonance Spectroscopy, Department of Physics, East China Normal University, Shanghai, 200062, China;(2) Department of Physics, Shangrao Normal College, Shangrao, 334000, China; |
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Abstract: | Recently, Ma et al. (Opt. Commun. 283:2640, 2010) have proposed a novel scheme for preparing a class of cluster-like entangled
states based on a four-particle projective measurement. In this paper, we put forward a new and optimal scheme to realize
the remote preparation for this class of cluster-like states with the aid of two bipartite partially entangled channels. Different
from the previous scheme, we employ a two-particle projective measurement instead of the four-particle projective measurement
during the preparation. Besides, the resource consumptions are computed in our scheme, which include classical communication
cost and quantum resource consumptions. Moreover, we have some discussions on the features of our scheme and make some comparisons
on resource consumptions and operation complexity between the previous scheme and ours. The results show that our scheme is
more economic and feasible compared with the previous. |
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Keywords: | |
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