Multipartite W-type state is determined by its single-particle reduced density matrices among all W-type states

Publication Type:
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, 2013, 87 (5)
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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. © 2013 American Physical Society.
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