Preparation of Greenberger-Horne-Zeilinger Entangled States in the Atom-Cavity Systems
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We present a new simple scheme for the preparation of Greenberger-Horne-Zeilinger maximally entangled states of two two-level atoms. The distinct feature of the effective Hamiltonian is that there is no energy exchange between the atoms and the cavity.. Thus the scheme is insensitive to the effect of cavity field and the atom radiation.This protocol may be realizable in the realm of current physical experiment.
KeywordsQuantum state preparation Greenberger-Horne-Zeilinger states The atom-cavity systems