### 抜粋

A pair of spins is the most simple quantum system that can possess entanglement, a non-classical property playing an essential role in quantum information technologies. In this paper, feedback control problems of the two-spin system conditioned on a continuous measurement are considered. In order to make some useful formulas in stochastic control theory directly applicable, we first derive a two-dimensional description of the system. We then prove that a feedback controller stabilizes an entangled state of the two spins almost globally with probability one. Furthermore, it is shown that another entangled state, which corresponds to a non-equilibrium point of the dynamics, is stabilized via feedback in the sense that the expectation of the distance from the target can be made arbitrarily small.

元の言語 | English |
---|---|

ホスト出版物のタイトル | Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05 |

ページ | 3182-3187 |

ページ数 | 6 |

DOI | |

出版物ステータス | Published - 2005 12 1 |

外部発表 | Yes |

イベント | 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05 - Seville, Spain 継続期間: 2005 12 12 → 2005 12 15 |

### 出版物シリーズ

名前 | Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05 |
---|---|

巻 | 2005 |

### Other

Other | 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05 |
---|---|

国 | Spain |

市 | Seville |

期間 | 05/12/12 → 05/12/15 |

### フィンガープリント

### ASJC Scopus subject areas

- Engineering(all)

### これを引用

*Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05*(pp. 3182-3187). [1582651] (Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, CDC-ECC '05; 巻数 2005). https://doi.org/10.1109/CDC.2005.1582651