Work

Can Newtonian gravity produce quantum entanglement?

Year: 2026

Type: article

Abstract: We investigate whether Newtonian gravity can generate quantum entanglement between mesoscopic quantum bodies modeled as superposed mass quadrupoles using three complementary approaches: minisuperspace, semiclassical gravity, and stochastic gravity. We systematically analyze gravitationally induced entanglement (GIE) mechanisms and the conditions under which they can arise. Our results support the GIE hypothesis by showing that the minisuperspace framework, which quantizes the parity of the gravitational tidal field, can entangle spatially separate quantum bodies. In contrast, the semiclassical and stochastic gravity models, in which the tidal gravitational field sourced by the quantum bodies remains classical, fail to entangle the final state. These findings clarify recent claims that classical gravity might induce entanglement, and reveal how perturbative treatments can lead to misleading conclusions.

Source: Physical review. D/Physical review. D.

DOI: 10.1103/fv38-kgkb

Authors: Feng-Li Lin, Sayid Mondal

Institutions: National Taiwan Normal University, Arturo Prat University

Language: English

Topic: Noncommutative and Quantum Gravity Theories

Subfield: Statistical and Nonlinear Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Funders: National Science and Technology Council, Agencia Nacional de Investigación y Desarrollo, National Science and Technology Council, Fondo Nacional de Desarrollo Científico y Tecnológico

Awards: EFFECT OF HAWKING RADIATION ON QUANTUM ENTANGLEMENT, Black Hole as Integrable System and Quantum Computer, G5844615060