The existence of quantum entanglement catalysts

@article{Sun2005TheEO,
  title={The existence of quantum entanglement catalysts},
  author={Xiaoming Sun and Runyao Duan and Mingsheng Ying},
  journal={IEEE Transactions on Information Theory},
  year={2005},
  volume={51},
  pages={75-80}
}
Without additional resources, it is often impossible to transform one entangled quantum state into another with local quantum operations and classical communication. Jonathan and Plenio (Phys. Rev. Lett., vol. 83, p. 3566, 1999) presented an interesting example showing that the presence of another state, called a catalyst, enables such a transformation without changing the catalyst. They also pointed out that in general it is very hard to find an analytical condition under which a catalyst… CONTINUE READING

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