Photon-graviton polarization entanglement induced by a classical electromagnetic wave
General Relativity and Quantum Cosmology
2026-02-02 v1 Quantum Physics
Abstract
We study the photon-graviton pair production induced by the propagation of a classical electromagnetic (EM) wave in a Minkowskian spacetime. In our model, the gravitational field is described in terms of the quantized graviton field, whereas the electromagnetic field is split into a classical drive (a linearly or circularly polarized electromagnetic wave) and a quantum fluctuation field. We analyze the time evolution of the quantum state showing that, among other outcomes, the propagation of the EM wave can generate Bell states in the photon-graviton polarization basis. We finally discuss the possibility to observe entangled photons in artificial and natural scenarios.
Keywords
Cite
@article{arxiv.2601.22332,
title = {Photon-graviton polarization entanglement induced by a classical electromagnetic wave},
author = {Alessandro Ferreri},
journal= {arXiv preprint arXiv:2601.22332},
year = {2026}
}