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Quantum Information Processing
Published in: Quantum Information Processing 6/2020

01-06-2020

Separability of heterogeneous multipartite quantum systems using Bloch Vectors

Authors: Andrei Tănăsescu, Pantelimon George Popescu

Published in: Quantum Information Processing | Issue 6/2020

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Abstract

Refining recent results, we propose an upper bound for the norms of Bloch Vectors for heterogeneous quantum systems containing an arbitrary number of qudits with possibly different numbers of levels. We also generalize recent approaches for tripartite and four-partite heterogeneous systems and for multipartite homogeneous systems. Our results imply a necessary algebraic condition for separability of a general multipartite heterogeneous quantum system under arbitrary partitioning.
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Metadata
Title
Separability of heterogeneous multipartite quantum systems using Bloch Vectors
Authors
Andrei Tănăsescu
Pantelimon George Popescu
Publication date
01-06-2020
Publisher
Springer US
Published in
Quantum Information Processing / Issue 6/2020
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-020-02668-8

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