Preventing multipartite disentanglement by local modulations.

@article{Gordon2006PreventingMD,
  title={Preventing multipartite disentanglement by local modulations.},
  author={Goren Gordon and G. Kurizki},
  journal={Physical review letters},
  year={2006},
  volume={97 11},
  pages={110503}
}
An entangled multipartite system coupled to a zero-temperature bath undergoes rapid disentanglement in many realistic scenarios due to local, symmetry-breaking differences in the particle-bath couplings. We show that locally controlled perturbations, addressing each particle individually, can impose a symmetry allowing the existence of decoherence-free multipartite entangled systems. 

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