The decoherence dynamics of the multipartite entanglement in non-Markovian environment

Details The decoherence dynamics of the multipartite entanglement in non-Markovian environment The decoherence dynamics of the multipartite entanglement in non-Markovian environment

2010-12-19

arxiv.org/abs/1012.4141v1

J. Phys. B: At. Mol. Opt. Phys. 43 (2010) 115503

Physics

Quantum Physics

12 pages, 6 figure

Scientific paper

We consider four two-level atoms interacting with independent non-Markovian reservoirs with detuning. We mainly investigate the effects of the detuning and the length of the reservoir correlation time on the decoherence dynamics of the multipartite entanglement. We find that the time evolution of the entanglement of atomic and reservoir subsystems is determined by a parameter, which is a function of the detuning and the reservoir correlation time. We also find that the decay and revival of the entanglement of the atomic and reservoir subsystems are closely related to the sign of the decay rate. We also show that the cluster state is the most robust to decoherence comparing with Dicke, GHZ, and W states for this decoherence channel

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