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Superconducting Qubits

Experimental demonstration of the violations of Mermin's and Svetlichny's inequalities for W- and GHZ-class of states

arXiv

Authors: Manoranjan Swain, Amit Rai, Bikash K. Behera, Prasanta K. Panigrahi

Year

2018

Paper ID

24320

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

Violation of Mermin's and Svetlichny's inequalities can rule out the predictions of local hidden variable theory and can confirm the existence of true nonlocal correlation for n-particle pure quantum systems. Here we demonstrate the experimental violation of the above inequalities for W- and GHZ-class of states. We use IBM's five-qubit quantum computer for experimental implementation of these states and illustration of inequalities' violations. Our results clearly show the violations of both Mermin's and Svetlichny's inequalities for W and GHZ states respectively. Being a superconducting qubit-based quantum computer, the platform used here opens up the opportunity to explore multipartite inequalities which is beyond the reach of other existing technologies.

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Violation of Mermin's and Svetlichny's inequalities can rule out the predictions of local hidden variable theory and can confirm the existence of true nonlocal correlation for...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1810.00874 [2] arXiv https://arxiv.org/abs/1810.00874 [3] Publisher https://arxiv.org/abs/1810.00874

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