Entanglement distillation by dissipation and continuous quantum repeaters.

@article{Vollbrecht2011EntanglementDB,
  title={Entanglement distillation by dissipation and continuous quantum repeaters.},
  author={Karl Gerd H. Vollbrecht and Christine A. Muschik and Juan Ignacio Cirac},
  journal={Physical review letters},
  year={2011},
  volume={107 12},
  pages={
          120502
        }
}
Even though entanglement is very vulnerable to interactions with the environment, it can be created by purely dissipative processes. Yet, the attainable degree of entanglement is profoundly limited in the presence of noise sources. We show that distillation can also be realized dissipatively, such that a highly entangled steady state is obtained. The schemes put forward here display counterintuitive phenomena, such as improved performance if noise is added to the system. We also show how… 

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