Matrix Tensor Product Approach to the Equivalence of Multipartite States under Local Unitary Transformations

Xiu-Hong Gao, Sergio Albeverio, Shao-Ming Fei, and Zhi-Xi Wang

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Submission date: 11. Jan. 2006
Pages: 9
published in: Communications in theoretical physics, 45 (2006) 2, p. 267-270 
DOI number (of the published article): 10.1088/0253-6102/45/2/015
Bibtex
PACS-Numbers: 03.67.-a, 02.20.Hj, 03.65.-w
Keywords and phrases: matrix tensor product, equivalence, multipartite states
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Abstract:
The equivalence of multipartite quantum mixed states under local unitary transformations is studied. A criterion for the equivalence of non-degenerate mixed multipartite quantum states under local unitary transformations is presented.