Consequences and applications of the completeness of Hardy's nonlocality

Shane Mansfield

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Abstract / Description of output

Logical nonlocality is completely characterized by Hardy's “paradox” in (2,2,l) and (2,k,2) scenarios. We consider a variety of consequences and applications of this fact. (i) Polynomial algorithms may be given for deciding logical nonlocality in these scenarios. (ii) Bell states are the only entangled two-qubit states which are not logically nonlocal under projective measurements. (iii) It is possible to witness Hardy nonlocality with certainty in a simple tripartite quantum system. (iv) Noncommutativity of observables is necessary and sufficient for enabling logical nonlocality.
Original languageEnglish
Article number022122
Number of pages11
JournalPhysical Review A
Volume95
DOIs
Publication statusPublished - 24 Feb 2017

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