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AIP conference proceedings

Local Equivalence for a Class of Bipartite Quantum Mixed States

X. H. Wang, Sergio A Albeverio, L. Cattaneo, Shao-Ming Fei

Published Jan 1, 2007• 0 citations
Publisher

Abstract

We study the equivalence of bipartite mixed states under local unitary transformations. A complete set of invariants under local unitary transformations is presented for a class of mixed states in CM ⊗ CN composite systems. It is shown that two density matrices in this class are locally equivalent if and only if all these invariants have equal values for these density matrices.

DOI
10.1063/1.2713470

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