### Abstract

Quantum-information theory is used to analyze various nonlinear operations on quantum states. The universal disentanglement machine is shown to be impossible, and partial (negative) results are obtained in the state-dependent case. The efficiency of the transformation of nonorthogonal states into orthogonal ones is discussed.

Original language | English |
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Pages (from-to) | 3320-3324 |

Number of pages | 5 |

Journal | Physical Review A - Atomic, Molecular, and Optical Physics |

Volume | 59 |

Issue number | 5 |

Publication status | Published - 1999 |

Externally published | Yes |

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## Cite this

Terno, D. R. (1999). Nonlinear operations in quantum-information theory.

*Physical Review A - Atomic, Molecular, and Optical Physics*,*59*(5), 3320-3324.