Correlated entanglement distillation and the structure of the set of undistillable states

@article{Brando2008CorrelatedED,
  title={Correlated entanglement distillation and the structure of the set of undistillable states},
  author={Fernando G. S. L. Brand{\~a}o and Jens Eisert},
  journal={Journal of Mathematical Physics},
  year={2008},
  volume={49},
  pages={042102}
}
We consider entanglement distillation under the assumption that the input states are allowed to be correlated among each other. We hence replace the usually considered independent and identically distributed hypothesis by the weaker assumption of merely having identical reductions. We find that whether a state is then distillable or not is only a property of these reductions, and not of the correlations that are present in the input state. This is shown by establishing an appealing relation… 

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