Research output: Contribution to journal › Article

Journal | Quant. Inf. Comp. |
---|---|

Date | Published - 1 Sep 2010 |

Issue number | 9&10 |

Volume | 10 |

Number of pages | 18 |

Pages (from-to) | 0803-0820 |

Original language | English |

All complex Hadamard matrices in dimensions two to five are known. We use this fact to derive all inequivalent sets of mutually unbiased (MU) bases in low dimensions. We find a three-parameter family of triples of MU bases in dimension four and two inequivalent classes of MU triples in dimension five. We confirm that the complete sets of (d+1) MU bases are unique (up to equivalence) in dimensions below six, using only elementary arguments for d less than five.

- Mathematical Physics

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