Author

Qi-Yan Zhang

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Preprint Sep 2026

For Whom Does Bell Hold?

Violations of Bell's inequalities offer a definitive signal of non-classical (quantum) behavior in local deterministic systems. Yet, in many physical settings where quantum mechanics is expected to play an important role, one cannot construct a Bell-type test using the available observables. Cosmology offers one concre...

Daniel Green, Kshitij Gupta, Qi-Yan Zhang · 0 citations