The local indistinguishability of multipartite product states

The local indistinguishability of multipartite product states We study the perfectly local indistinguishability of multipartite product states. Firstly, we follow the method of Zhang et al. (Phys Rev A 93:012314, 2016) to give another more concise set of $$2n-1$$ 2 n - 1 orthogonal product states in $${\mathbb {C}}^m\otimes {\mathbb {C}}^n$$ C m ⊗ C n $$(4\le m\le n)$$ ( 4 ≤ m ≤ n ) which can not be distinguished by local operations and classical communication. Then we use the three-dimensional cubes to present some product states which give us an intuitive view on how to construct locally indistinguishable product states in tripartite quantum systems. At last, we give an explicit construction of locally indistinguishable orthogonal product states for general multipartite systems. Quantum Information Processing Springer Journals

The local indistinguishability of multipartite product states

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Springer US
Copyright © 2016 by Springer Science+Business Media New York
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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