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Entanglement Theory Quantum Correlations
Quantum Foundations
The Elegant Joint Quantum Measurement and some conjectures about N-locality in the Triangle and other Configurations
arXiv
Authors: Nicolas Gisin
Year
2017
Paper ID
43972
Status
Preprint
Abstract Read
~2 min
Abstract Words
89
Citations
N/A
Abstract
In order to study N-locality without inputs in long lines and in configurations with loops, e.g. the triangle, we introduce a natural joint measurement on two qubits different from the usual Bell state measurement. The resulting quantum probability p\(a1,a2,...,aN\) has interesting features. In particular the probability that all results are equal is that large, while respecting full symmetry, that it seems highly implausible that one could reproduce it with any N-local model, though - unfortunately - I have not been unable to prove it.
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- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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- In order to study N-locality without inputs in long lines and in configurations with loops, e.g.
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