Article ID Journal Published Year Pages File Type
9868019 Physics Letters A 2005 5 Pages PDF
Abstract
In terms of the analysis of fixed point subgroup and tensor decomposability of certain matrices, we study the equivalence of quantum bipartite mixed states under local unitary transformations. For non-degenerate case an operational criterion for the equivalence of two such mixed bipartite states under local unitary transformations is presented.
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Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
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Equivalence of quantum states under local unitary transformations
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