Classical Attack on Bell Inequalities
Aishi Guha, Noah A. Davis, and Brian R. La Cour
TL;DR
This paper challenges the CHSH game using a Gaussian random vector model of multi-mode squeezed light, demonstrating how various parameters affect the security of quantum bounds.
Contribution
It introduces a locally deterministic detection model that surpasses traditional fidelities in Bell inequality tests.
Findings
Fidelities exceeding 96% achieved with the model
Squeezing strength, detector threshold, and efficiency impact security
Model challenges the assumptions of the CHSH game
Abstract
Representing multi-mode squeezed light with a Gaussian random vector, our locally deterministic detection model challenges the CHSH game, achieving fidelities exceeding 96\%. Squeezing strength, detector threshold, and efficiency influence the security of the quantum bound.
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