The simple reason why classical gravity can entangle

Fuente: arXiv
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Main Author: Di Biagio, Andrea
Format: Preprint
Published: 2025
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author Di Biagio, Andrea
author_facet Di Biagio, Andrea
contents Ever since gravity-induced entanglement (GIE) experiments have been proposed as a witness of the quantum nature of gravity, more and more theories of classical gravity coupled to quantum matter have been shown to predict GIE, despite the existence of several theory-independent no-go theorems purportedly claiming that it should not be possible. This note explains why this is possible, and why this makes the study GIE experiments, and low-energy quantum gravity effects in general, an even more urgent matter in quantum gravity research.
format Preprint
id arxiv_https___arxiv_org_abs_2511_02683
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle The simple reason why classical gravity can entangle
Di Biagio, Andrea
General Relativity and Quantum Cosmology
Quantum Physics
Ever since gravity-induced entanglement (GIE) experiments have been proposed as a witness of the quantum nature of gravity, more and more theories of classical gravity coupled to quantum matter have been shown to predict GIE, despite the existence of several theory-independent no-go theorems purportedly claiming that it should not be possible. This note explains why this is possible, and why this makes the study GIE experiments, and low-energy quantum gravity effects in general, an even more urgent matter in quantum gravity research.
title The simple reason why classical gravity can entangle
topic General Relativity and Quantum Cosmology
Quantum Physics
url https://arxiv.org/abs/2511.02683