Invariants for a Class of Nongeneric Three-qubit States

Bao-Zhi Sun; Shao-Ming Fei

doi:10.1088/0253-6102/45/6/010

Invariants for a Class of Nongeneric Three-qubit States

Quantum Physics 2015-06-26 v1

Authors: Bao-Zhi Sun , Shao-Ming Fei

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Abstract

We investigate the equivalence of quantum states under local unitary transformations. A complete set of invariants under local unitary transformations is presented for a class of non-generic three-qubit mixed states. It is shown that two such states in this class are locally equivalent if and only if all these invariants have equal values for them.

Keywords

local unitary invariants three-qubit states non-generic mixed states local equivalence

Cite

@article{arxiv.quant-ph/0606148,
  title  = {Invariants for a Class of Nongeneric Three-qubit States},
  author = {Bao-Zhi Sun and Shao-Ming Fei},
  journal= {arXiv preprint arXiv:quant-ph/0606148},
  year   = {2015}
}

Comments

7 pages

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