Photon-graviton polarization entanglement induced by a classical electromagnetic wave

• URL: http://arxiv.org/abs/2601.22332v1
• Date: Thu, 29 Jan 2026 21:21:00 GMT
• Title: Photon-graviton polarization entanglement induced by a classical electromagnetic wave
• Authors: Alessandro Ferreri,
• Abstract summary: We study the photon-graviton pair production induced by the propagation of a classical electromagnetic wave in a Minkowskian spacetime.<n>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.
• Score: 51.56484100374058
• License: http://creativecommons.org/licenses/by/4.0/
• 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.

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