Multipartite W-type State Is Determined By Its Single-particle Reduced Density Matrices Among All W-type States

Amer Physical Soc
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Journal Article
Physical Review A, 2013, 87 (5), pp. 1 - 3
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It is known that the n-qubit W-type state is determined by its bipartite reduced density matrices. In this paper, we show that the multipartite W-type state is uniquely determined by its reduced density matrices among W-type states in the sense of local unitary equivalence.
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