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Type: 
Journal
Description: 
Bell-type inequalities allow for experimental testing of local hidden variable theories. In the present work we show the violation of Mermin’s inequalities in IBM’s five-qubit quantum computers, ruling out the local realism hypothesis in quantum mechanics. Furthermore, our numerical results show significant improvement with respect to previous implementations. The circuit implementation of these inequalities is also proposed as a way of assessing the reliability of different quantum computers.
Publisher: 
Springer US
Publication date: 
1 Dec 2020
Authors: 

Diego González, Diego Fernández de la Pradilla, Guillermo González

Biblio References: 
Volume: 59 Issue: 12 Pages: 3756-3768
Origin: 
International Journal of Theoretical Physics