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Research PapersNo Access

SCHEME FOR GENERATION OF GREENBERGER-HORNE-ZEILINGER STATES OF REMOTE ATOMS TRAPPED IN SEPARATE OPTICAL CAVITIES

School of Physics and Material Science, Anhui University, Hefei 230039, China

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School of Physics and Material Science, Anhui University, Hefei 230039, China

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https://doi.org/10.1142/S0219749911007575Cited by:1 (Source: Crossref)

Abstract

We propose a scheme for generating maximally entangled states for three atoms trapped in three distant cavities connected by two identical single-mode fibers. During the operation, neither the atomic system nor the fibers are excited, which is important in view of decoherence. Under certain conditions, the probability of the excited cavities can be negligible. Taking advantage of adiabatic passage, the GHZ state can be generated deterministically, and the fidelity of entanglement is insensitive to fluctuation of experimental parameters. Compared to the previous schemes, the significant advantage of the proposed scheme is that each cavity can interact with the other two directly, which can avoid the effect of indirect interaction brought about using only local quantum operator and nonlocal resources.

Keywords:

PACS: 03.67.Mn

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Vol. 09, No. 04

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Received 14 February 2011

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