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Quantum Foundations
Testing the nonclassicality of spacetime: what can we learn from Bell-Bose et al.-Marletto-Vedral experiments?
arXiv
Authors: Adrian Kent, Damián Pitalúa-García
Year
2021
Paper ID
61786
Status
Preprint
Abstract Read
~2 min
Abstract Words
86
Citations
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Abstract
The Bose et al.-Marletto-Vedral (BMV) experiment [S. Bose et al., Phys. Rev. Lett. 119, 240401 (2017); C. Marletto and V. Vedral, Phys. Rev. Lett. 119, 240402 (2017)] aims to prove that spacetime is nonclassical by observing entanglement generated by gravity. However, local hidden variable theories (LHVTs) can simulate the entangled correlations. We propose to extend the entanglement generated by the BMV experiment to distant quantum particles in a Bell experiment. Violating a Bell inequality would rule out LHVTs, providing a stronger proof of the nonclassicality of spacetime than the BMV proposal.
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- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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- The Bose et al.-Marletto-Vedral (BMV) experiment [S.
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