Persistent entanglement in three-level atomic systems
Journal of Optics B: Quantum and Semiclassical Optics
Institute of Physics Publishing Ltd.
S13 - S17
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We discuss the evolution towards persistent entangled state in an atom-photon system. A maximally entangled state can be stabilized at a local minimum of the system by draining some energy, thus obtaining a persistent entangled state. This scheme can be realized in three-level, A type atomic systems since the third level is a meta-stable state. In particular, we compare dynamical description based on the exact and effective models. Some experimental realizations are discussed.