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

X. H. Gao, S. Alberverio, S. M. Fei, Z. X. Wang

Published 2006-02-16Version 1

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.