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Minimum quantum resources for strong non-locality

Abstract:

We analyse the minimum quantum resources needed to realise strong non-locality, as exemplified e.g. by the classical GHZ construction. It was already known that no two-qubit system, with any finite number of local measurements, can realise strong non-locality. For three-qubit systems, we show that strong non-locality can only be realised in the GHZ SLOCC class, and with equatorial measurements. However, we show that in this class there is an infinite family of states which are pairwise non LU...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.4230/LIPIcs.TQC.2017.9

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Institution:
University of Oxford
Division:
MPLS
Department:
Computer Science
Oxford college:
Wolfson College
Role:
Author
ORCID:
0000-0003-3921-6637
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Computer Science
Oxford college:
Wolfson College
Role:
Author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Computer Science
Oxford college:
Linacre College
Role:
Author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Computer Science
Oxford college:
Kellogg College
Role:
Author
ORCID:
0000-0002-6719-1521
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Funding agency for:
Abramsky, S
Grant:
EP/N017935/1
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Funding agency for:
Barbosa, R
Grant:
EP/N017935/1
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Funding agency for:
Carù, G
Grant:
Doctoral Training Partnership
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Funding agency for:
Carù, G
Grant:
Doctoral Training Partnership
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Publisher:
Schloss Dagstuhl – Leibniz Center for Informatics Publisher's website
Journal:
12th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2017) Journal website
Volume:
73
Pages:
91-920
Host title:
Leibniz International Proceedings in Informatics, LIPIcs
Publication date:
2018-02-26
Acceptance date:
2017-04-14
DOI:
ISSN:
1868-8969
Source identifiers:
843918
ISBN:
9783959770347
Keywords:
Pubs id:
pubs:843918
UUID:
uuid:45bfa892-f0d1-4221-8d96-519e2c1e83d5
Local pid:
pubs:843918
Deposit date:
2018-10-16

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