Classical gravity cannot mediate entanglement
Quantum Physics
2025-11-11 v1 General Relativity and Quantum Cosmology
Abstract
In Nature, 646, 813 (2025), Aziz and Howl claim that classical (unquantised) gravity produces entanglement. We show that their model does not produce entanglement. Even if the model produced entanglement, it would be mediated by the quantised matter interaction, and not gravity. Hence entanglement mediated by gravity remains an unambiguous witness of gravity's quantum features.
Cite
@article{arxiv.2511.07348,
title = {Classical gravity cannot mediate entanglement},
author = {Chiara Marletto and Jonathan Oppenheim and Vlatko Vedral and Elizabeth Wilson},
journal= {arXiv preprint arXiv:2511.07348},
year = {2025}
}
Comments
6 pages